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<section data-role="outer" label="Powered by gulangu" style="font-size: 16px;"><p style="max-width: 100%;min-height: 1em;text-align: center;word-wrap: break-word !important;"><img class="" data-ratio="0.19770114942528735" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_png/OzLoYcd6qZfrvDiaIF9FhpT8icsbxqoElFFjfwwI4APDv4DsR5ibz5ZrIdsAyo1LOywtsDerdGHclAsmtQ9Jelxog/640?wx_fmt=png" data-type="png" data-w="435" style="font-size: 17px;letter-spacing: 0.544px;widows: 1;caret-color: red;text-indent: 32px;display: inline;word-wrap: break-word !important;visibility: visible !important;width: 180px !important;font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;" title="旅游 景点  城市分割线" width="180px"  /><br  /></p><section data-role="paragraph" class="" style="max-width: 100%;letter-spacing: 0.544px;widows: 1;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;font-family: -apple-system-font, BlinkMacSystemFont, Arial, sans-serif;box-sizing: border-box;"><section class="" style="max-width: 100%;font-size: 15px;letter-spacing: 0.544px;line-height: 27px;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section style="margin-top: 10px;margin-bottom: 10px;max-width: 100%;text-align: center;word-wrap: break-word !important;"><section class="_135editor" data-tools="gulangu" data-id="92071" style="max-width: 100%;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section data-width="100%" style="max-width: 100%;width: 100%;word-wrap: break-word !important;"><section data-width="100%" style="max-width: 100%;width: 100%;display: -webkit-flex;word-wrap: break-word !important;"><section style="max-width: 100%;width: 25px;height: 25px;border-top: 4px solid rgb(255, 156, 185);border-left: 4px solid rgb(255, 156, 185);word-wrap: break-word !important;box-sizing: border-box;"></section><section data-width="100%" style="max-width: 100%;width: 100%;display: -webkit-flex;justify-content: flex-end;word-wrap: break-word !important;"><section style="max-width: 100%;width: 25px;height: 25px;border-top: 4px solid rgb(255, 156, 185);border-right: 4px solid rgb(255, 156, 185);word-wrap: break-word !important;box-sizing: border-box;"><br style="max-width: 100%;word-wrap: break-word !important;"  /></section></section></section><section class="" style="margin: -24px auto;padding: 14px;max-width: 100%;text-align: justify;line-height: 28px;border-width: 2px;border-style: dashed;border-color: rgb(255, 156, 185);word-wrap: break-word !important;box-sizing: border-box;"><p style="max-width: 100%;min-height: 1em;text-align: center;word-wrap: break-word !important;"><span style="max-width: 100%;font-size: 14px;word-wrap: break-word !important;font-family: 黑体, SimHei;"><strong style="max-width: 100%;font-size: 18px;word-wrap: break-word !important;">多中心测度对‘中心’选取的敏感性：方法与实证探索</strong></span></p><p style="max-width: 100%;min-height: 1em;text-align: center;word-wrap: break-word !important;"><span style="max-width: 100%;font-size: 14px;word-wrap: break-word !important;font-family: 黑体, SimHei;"><strong style="max-width: 100%;font-size: 18px;word-wrap: break-word !important;"><br  /></strong></span></p><p style="max-width: 100%;min-height: 1em;text-align: left;word-wrap: break-word !important;"><strong style="font-size: 14px;max-width: 100%;letter-spacing: 0px;word-wrap: break-word !important;">作者机构：</strong><span style="font-size: 14px;letter-spacing: 0.544px;text-align: center;">1. 华东师范大学</span><span style="font-size: 14px;letter-spacing: 0.544px;text-align: center;color: rgb(0, 0, 0);text-decoration-style: solid;text-decoration-color: rgb(0, 0, 0);">&未来城市实验室&城市与区域科学学院 </span><span style="font-size: 14px;letter-spacing: 0.544px;text-align: center;">2. </span><span style="font-size: 14px;letter-spacing: 0.544px;text-align: center;color: rgb(0, 0, 0);text-decoration-style: solid;text-decoration-color: rgb(0, 0, 0);">比利时根特大学</span></p><p style="max-width: 100%;min-height: 1em;text-align: left;word-wrap: break-word !important;"><span style="font-size: 14px;letter-spacing: 0.544px;text-align: center;color: rgb(0, 0, 0);text-decoration-style: solid;text-decoration-color: rgb(0, 0, 0);"><br  /></span></p><p style="margin-bottom: 5px;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;line-height: 27px;text-align: left;word-wrap: break-word !important;"><span style="font-size: 14px;"><strong style="max-width: 100%;word-wrap: break-word !important;">作者：</strong>   </span><span style="color: rgb(0, 0, 0);font-size: 14px;letter-spacing: 0.544px;">张维阳 1;Ben Derudder 2</span></p><p style="margin-bottom: 5px;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;line-height: 27px;text-align: left;word-wrap: break-word !important;"><span style="color: rgb(0, 0, 0);font-size: 14px;letter-spacing: 0.544px;"><br  /></span></p><p style="max-width: 100%;min-height: 1em;letter-spacing: 0.544px;line-height: 27px;word-wrap: break-word !important;"><span style="font-size: 14px;"><strong style="max-width: 100%;text-align: left;word-wrap: break-word !important;">英文标题：</strong><span style="color: rgb(0, 0, 0);text-decoration-style: solid;text-decoration-color: rgb(0, 0, 0);">How sensitive are measures of polycentricity to the choice of ‘centres’? A methodological and empirical exploration</span></span></p><p style="max-width: 100%;min-height: 1em;letter-spacing: 0.544px;line-height: 27px;word-wrap: break-word !important;"><span style="font-size: 14px;"><span style="color: rgb(0, 0, 0);text-decoration-style: solid;text-decoration-color: rgb(0, 0, 0);"><br  /></span></span></p><p style="margin-bottom: 15px;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;line-height: 27px;word-wrap: break-word !important;"><span style="font-size: 14px;"><strong style="max-width: 100%;text-align: left;word-wrap: break-word !important;">发表刊物：</strong><span style="color: rgb(0, 0, 0);text-decoration-style: solid;text-decoration-color: rgb(0, 0, 0);">Urban Studies</span></span></p><p style="margin-bottom: 15px;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;line-height: 27px;word-wrap: break-word !important;"><strong style="font-size: 14px;letter-spacing: 0.544px;max-width: 100%;word-wrap: break-word !important;">引用格式：</strong><span style="font-size: 14px;letter-spacing: 0.544px;color: rgb(0, 0, 0);text-decoration-style: solid;text-decoration-color: rgb(0, 0, 0);">Weiyang Zhang, Ben Derudder, How sensitive are measures of polycentricity to the choice of ‘centres’? A methodological and empirical exploration, Urban Studies, 2019, doi: 10.1177/0042098019843061</span></p><p style="margin-bottom: 15px;max-width: 100%;min-height: 1em;letter-spacing: 0.544px;line-height: 27px;word-wrap: break-word !important;"><strong><span style="font-size: 14px;"><span style="max-width: 100%;letter-spacing: 0px;text-align: center;word-wrap: break-word !important;">通讯作者邮箱：</span></span></strong><span style="font-size: 14px;"><span style="max-width: 100%;letter-spacing: 0px;text-align: center;word-wrap: break-word !important;"></span><span style="color: rgb(0, 0, 0);text-decoration-style: solid;text-decoration-color: rgb(0, 0, 0);">wyzhang@re.ecnu.edu.cn (张维阳)</span></span></p></section><section data-width="100%" style="max-width: 100%;width: 100%;display: -webkit-flex;word-wrap: break-word !important;"><section style="max-width: 100%;width: 25px;height: 25px;border-bottom: 4px solid rgb(255, 156, 185);border-left: 4px solid rgb(255, 156, 185);word-wrap: break-word !important;box-sizing: border-box;"></section><section data-width="100%" style="max-width: 100%;width: 100%;display: -webkit-flex;justify-content: flex-end;word-wrap: break-word !important;"><section style="max-width: 100%;width: 25px;height: 25px;border-bottom: 4px solid rgb(255, 156, 185);border-right: 4px solid rgb(255, 156, 185);word-wrap: break-word !important;box-sizing: border-box;"><br style="max-width: 100%;word-wrap: break-word !important;"  /></section></section></section></section></section></section></section><section class="" style="max-width: 100%;font-size: 15px;letter-spacing: 0.544px;line-height: 27px;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section style="max-width: 100%;word-wrap: break-word !important;"><section class="_135editor" data-tools="gulangu" data-id="92070" style="max-width: 100%;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section class="" style="max-width: 100%;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section style="padding: 10px;max-width: 100%;word-wrap: break-word !important;box-sizing: border-box;"><section data-width="100%" style="max-width: 100%;width: 100%;text-align: center;word-wrap: break-word !important;"><section style="max-width: 100%;display: inline-block;word-wrap: break-word !important;"><section data-width="100%" style="max-width: 100%;width: 100%;word-wrap: break-word !important;transform: translateZ(10px);-webkit-transform: translateZ(10px);-moz-transform: translateZ(10px);-ms-transform: translateZ(10px);-o-transform: translateZ(10px);"><section style="margin-right: -15px;max-width: 100%;width: 25px;height: 25px;background-image: url("http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_png/OzLoYcd6qZfrvDiaIF9FhpT8icsbxqoElFBpiaXLe6cbYGb9Rbr9KgfnMSWRzxdse1ZuNALuMHb1wDFVvu26qk5Hg/640?wx_fmt=png");background-size: 100%;background-repeat: no-repeat;background-position: center center;float: right;overflow: hidden;background-color: rgb(254, 254, 254);word-wrap: break-word !important;"></section></section><section style="margin-top: -10px;padding: 8px;max-width: 100%;display: inline-block;width: auto;border-width: 1px;border-style: solid;border-color: rgb(85, 85, 85);word-wrap: break-word !important;box-sizing: border-box;"><section style="padding: 5px;max-width: 100%;background-color: rgb(255, 156, 185);word-wrap: break-word !important;box-sizing: border-box;"><p class="" data-brushtype="text" style="max-width: 100%;min-height: 1em;color: #fefefe;word-wrap: break-word !important;"><span style="font-size: 14px;"><strong style="max-width: 100%;word-wrap: break-word !important;">摘要</strong></span></p></section></section></section></section></section></section></section><p style="max-width: 100%;min-height: 1em;text-indent: 2em;word-wrap: break-word !important;"><span style="max-width: 100%;word-wrap: break-word !important;font-family: 宋体;"><span style="max-width: 100%;font-size: 14px;word-wrap: break-word !important;"><span style="line-height: 115%;">多中心定量研究较少关注‘城市中心’的识别和选取问题。本研究使用多中心城市区域的案例（即区域尺度多中心），提出了‘迭代多中心’的分析框架，来检验多中心水平对于‘城市数量’选取的敏感程度。实证分析中，使用‘城市</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">-</span><span style="line-height: 115%;">公司’二模关系数据，通过逐步将城市添加到分析中，重新评价长三角的多中心程度，以检验这种敏感性，并与“</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">Zipf</span><span style="line-height: 115%;">位序</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">-</span><span style="line-height: 115%;">规模”分布的理想城市体系进行基准比对。结果表明</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">:</span><span style="line-height: 115%;">多中心测度对城市数量的选取高度敏感；因此城市区域的多中心测度结果取决于研究人员所选取的城市数量。同时，这种多中心敏感性的分析可以帮助我们研判不同城市在塑造区域多中心结构中的不同作用；并帮助识别区域的单中心和多中心构造。最后，通过对长江经济带七个城市群的多中心性分析，检验了“迭代多中心”分析框架的有效性。</span></span></span></p><p style="max-width: 100%;min-height: 1em;text-indent: 2em;word-wrap: break-word !important;"><br  /></p></section></section><section class="" style="max-width: 100%;letter-spacing: 0.544px;line-height: 27px;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section style="max-width: 100%;word-wrap: break-word !important;"><section style="max-width: 100%;word-wrap: break-word !important;"><section class="" style="max-width: 100%;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section style="margin-top: 10px;margin-bottom: 30px;max-width: 100%;text-align: center;word-wrap: break-word !important;"><section style="padding-top: 0.9em;max-width: 100%;width: 100%;height: 1.8em;word-wrap: break-word !important;box-sizing: border-box;"><section style="font-size: 15px;padding-right: 5px;padding-left: 5px;max-width: 100%;word-wrap: break-word !important;box-sizing: border-box;"><section style="max-width: 100%;border-bottom: 1px solid rgb(160, 160, 160);width: 528px;word-wrap: break-word !important;box-sizing: border-box;"></section><section style="margin-top: -3px;max-width: 100%;word-wrap: break-word !important;"><section style="margin-left: -5px;max-width: 100%;float: left;width: 5px;height: 5px;border-radius: 100%;background-color: rgb(160, 160, 160);word-wrap: break-word !important;box-sizing: border-box;"></section><section style="margin-right: -5px;max-width: 100%;float: right;width: 5px;height: 5px;border-radius: 100%;background-color: rgb(160, 160, 160);word-wrap: break-word !important;box-sizing: border-box;"></section><section style="max-width: 100%;clear: both;word-wrap: break-word !important;"></section></section></section><section style="margin-top: -1em;padding-right: 12px;padding-left: 12px;max-width: 100%;border-radius: 1em;display: inline-block;vertical-align: top;height: 1.8em;line-height: 1.8em;color: rgb(255, 255, 255);background: -webkit-linear-gradient(right, rgb(71, 193, 168), rgba(255, 247, 234, 0)) rgb(45, 178, 234);word-wrap: break-word !important;box-sizing: border-box;"><p style="max-width: 100%;min-height: 1em;word-wrap: break-word !important;font-size: 14px;"><strong>方法框架</strong></p></section></section></section></section><p style="font-size: 15px;max-width: 100%;min-height: 1em;text-indent: 0em;word-wrap: break-word !important;"><img class="" data-ratio="1.0378096479791394" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_png/OzLoYcd6qZfrvDiaIF9FhpT8icsbxqoElFMAzicU5g1M9wWIjnhjy2AicjmKDCZwNTdVv3mA4Njt6DiahhpAbrcibrUw/640?wx_fmt=png" data-type="png" data-w="767"  /></p><p style="font-size: 15px;max-width: 100%;min-height: 1em;word-wrap: break-word !important;"><br  /></p></section></section></section><section class="" style="max-width: 100%;font-size: 15px;letter-spacing: 0.544px;line-height: 27px;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section style="margin-top: 10px;margin-bottom: 30px;max-width: 100%;text-align: center;word-wrap: break-word !important;"><section style="padding-top: 0.9em;max-width: 100%;width: 100%;height: 1.8em;word-wrap: break-word !important;box-sizing: border-box;"><section style="padding-right: 5px;padding-left: 5px;max-width: 100%;word-wrap: break-word !important;box-sizing: border-box;"><section style="max-width: 100%;border-bottom: 1px solid rgb(160, 160, 160);width: 647px;word-wrap: break-word !important;box-sizing: border-box;"></section><section style="margin-top: -3px;max-width: 100%;word-wrap: break-word !important;"><section style="margin-left: -5px;max-width: 100%;float: left;width: 5px;height: 5px;border-radius: 100%;background-color: rgb(160, 160, 160);word-wrap: break-word !important;box-sizing: border-box;"></section><section style="margin-right: -5px;max-width: 100%;float: right;width: 5px;height: 5px;border-radius: 100%;background-color: rgb(160, 160, 160);word-wrap: break-word !important;box-sizing: border-box;"></section><section style="max-width: 100%;clear: both;word-wrap: break-word !important;"></section></section></section><section style="margin-top: -1em;padding-right: 12px;padding-left: 12px;max-width: 100%;border-radius: 1em;display: inline-block;vertical-align: top;height: 1.8em;line-height: 1.8em;color: rgb(255, 255, 255);background: -webkit-linear-gradient(right, rgb(71, 193, 168), rgba(255, 247, 234, 0)) rgb(45, 178, 234);word-wrap: break-word !important;box-sizing: border-box;"><p style="max-width: 100%;min-height: 1em;word-wrap: break-word !important;"><span style="font-size: 14px;"><strong style="max-width: 100%;word-wrap: break-word !important;">数据收集与处理</strong></span></p><p style="max-width: 100%;min-height: 1em;word-wrap: break-word !important;"><br  /></p></section></section></section></section><section class="" style="max-width: 100%;font-size: 15px;letter-spacing: 0.544px;line-height: 27px;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section style="max-width: 100%;word-wrap: break-word !important;"><section style="max-width: 100%;word-wrap: break-word !important;"><p style="max-width: 100%;min-height: 1em;text-indent: 2em;word-wrap: break-word !important;"><span style="font-size: 14px;"><span style="line-height: 115%;font-family: 宋体;">本研究中城际联系选取公司商务联系的维度，依据连锁模型，建构城市</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">-</span><span style="line-height: 115%;font-family: 宋体;">公司数据库。其中，公司样本为中国大陆</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">247</span><span style="line-height: 115%;font-family: 宋体;">个主要生产性服务企业（包括前</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">50</span><span style="line-height: 115%;font-family: 宋体;">位的会计公司，前</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">41</span><span style="line-height: 115%;font-family: 宋体;">位的广告公司，前</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">23</span><span style="line-height: 115%;font-family: 宋体;">位的管理咨询公司，前</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">35</span><span style="line-height: 115%;font-family: 宋体;">位的律所，前</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">21</span><span style="line-height: 115%;font-family: 宋体;">位的银行，前</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">26</span><span style="line-height: 115%;font-family: 宋体;">位的保险公司，前</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">30</span><span style="line-height: 115%;font-family: 宋体;">位的证券公司和前</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">21</span><span style="line-height: 115%;font-family: 宋体;">位的信托公司）。城市样本为大陆</span><span style="line-height: 115%;font-family: Calibri, sans-serif;">289</span><span style="line-height: 115%;font-family: 宋体;">个地级市及以上城市。</span></span></p><p style="max-width: 100%;min-height: 1em;text-indent: 0em;text-align: center;line-height: 1.5em;word-wrap: break-word !important;"><br  /></p></section></section></section><section class="" style="max-width: 100%;font-size: 15px;letter-spacing: 0.544px;line-height: 27px;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><section style="margin-top: 10px;margin-bottom: 30px;max-width: 100%;text-align: center;word-wrap: break-word !important;"><section style="padding-top: 0.9em;max-width: 100%;width: 100%;height: 1.8em;word-wrap: break-word !important;box-sizing: border-box;"><section style="padding-right: 5px;padding-left: 5px;max-width: 100%;word-wrap: break-word !important;box-sizing: border-box;"><section style="max-width: 100%;border-bottom: 1px solid rgb(160, 160, 160);width: 647px;word-wrap: break-word !important;box-sizing: border-box;"></section><section style="margin-top: -3px;max-width: 100%;word-wrap: break-word !important;"><section style="margin-left: -5px;max-width: 100%;float: left;width: 5px;height: 5px;border-radius: 100%;background-color: rgb(160, 160, 160);word-wrap: break-word !important;box-sizing: border-box;"></section><section style="margin-right: -5px;max-width: 100%;float: right;width: 5px;height: 5px;border-radius: 100%;background-color: rgb(160, 160, 160);word-wrap: break-word !important;box-sizing: border-box;"></section><section style="max-width: 100%;clear: both;word-wrap: break-word !important;"></section></section></section><section style="margin-top: -1em;padding-right: 12px;padding-left: 12px;max-width: 100%;border-radius: 1em;display: inline-block;vertical-align: top;height: 1.8em;line-height: 1.8em;color: rgb(255, 255, 255);background: -webkit-linear-gradient(right, rgb(71, 193, 168), rgba(255, 247, 234, 0)) rgb(45, 178, 234);word-wrap: break-word !important;box-sizing: border-box;"><p style="max-width: 100%;min-height: 1em;word-wrap: break-word !important;"><span style="font-size: 14px;"><strong>主要结果</strong></span></p><p style="max-width: 100%;min-height: 1em;word-wrap: break-word !important;"><br  /></p><p style="max-width: 100%;min-height: 1em;word-wrap: break-word !important;"><br  /></p></section></section></section></section><p><strong><span style="font-size: 14px;"><span style="font-family: 宋体;">（1）长三角的迭代多中心测度</span></span></strong><span style="font-size: 14px;"><span style="font-family: 宋体;">（</span>fig 3<span style="font-family: 宋体;">）</span></span></p><section class="" style="max-width: 100%;font-size: 15px;letter-spacing: 0.544px;line-height: 27px;border-width: 0px;border-style: none;border-color: initial;word-wrap: break-word !important;box-sizing: border-box;"><p><span style="font-size: 14px;">i.<span style="font-variant-numeric: normal;font-stretch: normal;line-height: normal;"> </span><span style="font-family: 宋体;">长三角形态和规模的多中心性对区域规模的定义高度敏感。</span></span></p><p><span style="font-size: 14px;">ii.<span style="font-family: 宋体;">形态和功能多中心衰减趋势的差异反映了长三角城市所承担的区域职能比所承担的总体职能（区域和国家）更均衡。</span></span></p><p><span style="font-size: 14px;">iii.<span style="font-family: 宋体;">迭代多中心曲线的拐点，清晰的识别出不同城市在塑造长三角多中心构造的角色差异。其中，第一层次包括上海、南京和杭州，它们奠定了长三角多中心的基础；第二层次包括合肥、宁波、苏州、无锡、宁波、南通、绍兴，在一定程度上参与了多中心的建构；其他城市为第三个层次，没有显著的影响区域整体结构。</span></span></p><p style="text-align: center;"><span style="font-family: 宋体;"><img class="" data-ratio="0.6361556064073226" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_png/OzLoYcd6qZfrvDiaIF9FhpT8icsbxqoElFkb79TWVbicVyoH9ibFc9xjEqdic6AichrQhqczyx0A3uhsXKhRCHY6xlAA/640?wx_fmt=png" data-type="png" data-w="437"  /></span></p><p><strong><span style="font-size: 14px;font-family: 宋体;">（2）长江经济带其他城市群多中心性测度</span></strong><span style="font-size: 14px;"> (fig 4, table 1)</span></p><p><span style="font-size: 14px;"><span style="font-family: 宋体;">根据其它七个城市群形态和功能迭代多中心的测度，可以归纳出多中心发育的三种主要模式</span>(<span style="font-family: 宋体;">关于所反映的具体区域发展特征，参考原文</span>)<span style="font-family: 宋体;">：</span></span></p><p><span style="font-size: 14px;">I:<span style="font-family: 宋体;">典型的单中心结构</span></span></p><p><span style="font-size: 14px;font-family: 宋体;">迭代曲线特征：较低的初始值，然后随着城市加入，有显著上升趋势。</span></p><p><span style="font-size: 14px;font-family: 宋体;">代表：除了成渝和长三角以外的其它城市群的形态多中心性。</span></p><p><span style="font-size: 14px;">II: (<span style="font-family: 宋体;">所有城市相对均衡的</span>)<span style="font-family: 宋体;">特殊多中心结构</span></span></p><p><span style="font-size: 14px;font-family: 宋体;">迭代曲线特征：较高的初始值，然后随着城市加入，保持平稳或波动。</span></p><p><span style="font-size: 14px;font-family: 宋体;">代表：长株潭和皖江城市群的功能多中心性。</span></p><p><span style="font-size: 14px;">III: (<span style="font-family: 宋体;">包括中心城市和其他城市的</span>)<span style="font-family: 宋体;">一般多中心结构</span></span></p><p><span style="font-size: 14px;font-family: 宋体;">迭代曲线特征：较高的初始值，然后随着城市加入，有明显的衰减趋势。</span></p><span style="line-height: 115%;font-size: 14px;font-family: 宋体;">代表：其它区域的形态或功能多中心性。</span><p style="text-align: center;"><span style="font-family: 宋体;"><img class="" data-ratio="0.47653429602888087" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_png/OzLoYcd6qZfrvDiaIF9FhpT8icsbxqoElFOeIxRkCytyIjicrlhJ8sxVe4UQGFhTgdiaN4aR5yMP7AribgyLSmOGenA/640?wx_fmt=png" data-type="png" data-w="554"  /></span></p><p style="text-align: center;"><span style="font-family: 宋体;"><img class="" data-ratio="0.6028880866425993" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_png/OzLoYcd6qZfrvDiaIF9FhpT8icsbxqoElFpC2qltcR4IN5FjCoEe2wqyAyAv2H6cFo06MibhiaBhBdxJV7dM5w1ia8w/640?wx_fmt=png" data-type="png" data-w="554"  /></span></p><section class="" style="max-width: 100%;letter-spacing: 0.544px;line-height: 27px;border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;word-wrap: break-word !important;"><section style="max-width: 100%;word-wrap: break-word !important;"><section style="max-width: 100%;word-wrap: break-word !important;"><p style="max-width: 100%;min-height: 1em;text-indent: 0em;text-align: center;line-height: 1.5em;word-wrap: break-word !important;"><br  /></p></section></section></section><section class="" style="max-width: 100%;letter-spacing: 0.544px;line-height: 27px;border-width: 0px;border-style: none;border-color: initial;box-sizing: border-box;word-wrap: break-word !important;"><section style="margin-top: 10px;margin-bottom: 30px;max-width: 100%;text-align: center;word-wrap: break-word !important;"><section style="padding-top: 0.9em;max-width: 100%;width: 100%;height: 1.8em;word-wrap: break-word !important;box-sizing: border-box;"><section style="padding-right: 5px;padding-left: 5px;max-width: 100%;word-wrap: break-word !important;box-sizing: border-box;"><section style="max-width: 100%;border-bottom: 1px solid rgb(160, 160, 160);width: 647px;word-wrap: break-word !important;box-sizing: border-box;"></section><section style="margin-top: -3px;max-width: 100%;word-wrap: break-word !important;"><section style="margin-left: -5px;max-width: 100%;float: left;width: 5px;height: 5px;border-radius: 100%;background-color: rgb(160, 160, 160);word-wrap: break-word !important;box-sizing: border-box;"></section><section style="margin-right: -5px;max-width: 100%;float: right;width: 5px;height: 5px;border-radius: 100%;background-color: rgb(160, 160, 160);word-wrap: break-word !important;box-sizing: border-box;"></section><section style="max-width: 100%;clear: both;word-wrap: break-word !important;"></section></section></section><section style="margin-top: -1em;padding-right: 12px;padding-left: 12px;max-width: 100%;border-radius: 1em;display: inline-block;vertical-align: top;height: 1.8em;line-height: 1.8em;color: rgb(255, 255, 255);background: -webkit-linear-gradient(right, rgb(71, 193, 168), rgba(255, 247, 234, 0)) rgb(45, 178, 234);word-wrap: break-word !important;box-sizing: border-box;"><p style="max-width: 100%;min-height: 1em;word-wrap: break-word !important;"><span style="font-size: 14px;"><strong>结论与讨论</strong></span></p><p style="max-width: 100%;min-height: 1em;word-wrap: break-word !important;"><br  /></p><p style="max-width: 100%;min-height: 1em;word-wrap: break-word !important;"><br  /></p></section></section></section></section><ol class=" list-paddingleft-2" style=""><li><p><span style="font-size: 14px;"><span style="font-family: 宋体;">研究发现，在多中心定量研究中，如果没有提前对哪些</span>/<span style="font-family: 宋体;">多少城市应该纳入分析进行仔细甄别，任何多中心定量测度结果都可能是受学者‘预先’的城市选取所决定。</span></span></p></li><li><p><span style="font-size: 14px;font-family: 宋体;">迭代多中心的分析框架还可以帮助我们识别城市角色和辨识区域多中心构造。</span></p></li><li><p><span style="font-size: 14px;font-family: 宋体;">行政意义上，城市群范围的界定可能面临类似的问题。区域范围的‘行政划定过程’掺杂了各种动机，而不同的区域范围代表着不同的区域构造和一体化程度。哪种区域划定最能发挥区域整体的效益，是需要进一步探讨的工作。</span></p></li><li><p style="margin-bottom: 15px;"><span style="line-height: 115%;font-size: 14px;font-family: 宋体;">研究也存在很多不足，比如城市数量选择和如何定义城市密不可分；比如迭代多中心拐点判断城市角色的理论和统计依据需要深入探讨；以及使用其它城市中心性的定义或不同的测度方法，也会产生不一致的结果。这些都充分说明，多中心定量研究的技术和方法还不够成熟。</span></p><p><span style="line-height: 115%;font-size: 14px;font-family: 宋体;"></span></p></li></ol><p><span style="line-height: 115%;font-size: 14px;font-family: 宋体;"></span></p><p><span style="line-height: 115%;font-size: 14px;font-family: 宋体;"></span></p><p><span style="line-height: 115%;font-size: 14px;font-family: 宋体;"></span></p></section><section class="_135editor" data-tools="gulangu" data-id="87468" style="max-width: 100%;letter-spacing: 0.544px;white-space: normal;word-wrap: break-word !important;"><section style="margin-left: 20px;padding-right: 10px;padding-left: 10px;max-width: 100%;display: inline-block;background-color: rgb(254, 254, 254);word-wrap: break-word !important;box-sizing: border-box;"><p style="max-width: 100%;min-height: 1em;text-align: center;color: inherit;word-wrap: break-word !important;"><strong style="max-width: 100%;word-wrap: break-word !important;"><span class="" data-brushtype="text" style="max-width: 100%;font-size: 18px;color: #e7e1ad;word-wrap: break-word !important;">作者简介</span></strong></p></section><section style="margin-top: -12px;margin-bottom: 10px;max-width: 100%;word-wrap: break-word !important;"><section data-width="100%" style="max-width: 100%;border-top: 1px dashed rgb(244, 110, 145);width: 100%;border-right-color: rgb(244, 110, 145);border-bottom-color: rgb(244, 110, 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100%;width: 55%;float: right;color: inherit;text-align: center;word-wrap: break-word !important;box-sizing: border-box;"><img class="" data-copyright="0" data-cropselx1="0" data-cropselx2="281" data-cropsely1="0" data-cropsely2="421" data-ratio="0.66625" src="http://read.html5.qq.com/image?src=forum&q=5&r=0&imgflag=7&imageUrl=http://mmbiz.qpic.cn/mmbiz_jpg/OzLoYcd6qZfrvDiaIF9FhpT8icsbxqoElFNUniaKFmtAqc8E7gHEOZPtFENBr5Eic01WWtYGIx9cdwiaYlhRIV9LU6g/640?wx_fmt=jpeg" data-type="jpeg" data-w="800" style="border-radius: 6px;width: 556px;word-wrap: break-word !important;visibility: visible !important;height: 370px;" title="_67A0382.JPG"  /></section><p style="max-width: 100%;clear: none;min-height: 1em;line-height: 1.75em;word-wrap: break-word !important;"><strong><span style="max-width: 100%;font-size: 14px;color: #666666;word-wrap: break-word !important;">张维阳</span></strong><span style="max-width: 100%;font-size: 14px;color: #666666;word-wrap: break-word !important;">，华东师范大学城市与区域科学学院/教育部人文社科重点研究基地，讲师/晨晖学者，主要从事城市网络与多中心发展研究。目前主持省部级项目1项，中科院重点实验室开放基金1项，中央高校基本科研业务专项资助2项。在Urban Studies, Regional Studies, Journal of Urban Technology, Tijdschrift voor Economische en Sociale Geografie等国内外期刊发表论文17篇，其中SSCI/SCI论文8篇；出版英文专著1部，参编英文著作1部（个人主页：https://faculty.ecnu.edu.cn/s/3809/main.jspy）。</span></p></section></section></section><p style="max-width: 100%;min-height: 1em;font-size: 17px;letter-spacing: 0.544px;line-height: 27.2px;text-align: right;word-wrap: break-word !important;"><br  /></p><p style="max-width: 100%;min-height: 1em;font-size: 17px;letter-spacing: 0.544px;line-height: 27.2px;text-align: right;word-wrap: break-word !important;"><span style="max-width: 100%;font-size: 12px;letter-spacing: 0.544px;caret-color: red;word-wrap: break-word !important;font-family: 楷体, KaiTi, 楷体_GB2312, SimKai;">撰写：张维阳</span></p><p style="max-width: 100%;min-height: 1em;font-size: 17px;letter-spacing: 0.544px;line-height: 27.2px;text-align: right;word-wrap: 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