中国社会保障与经济发展耦合的时空特征及驱动力分析
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李琼, 赵阳, 李松林, 李湘玲
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Spatio-temporal characteristics and driving force of coupling social security and economic development in China
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LI Qiong, ZHAO Yang, LI Songlin, LI Xiangling
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表3 2002—2017年中国社会保障与经济发展耦合指数的标准差椭圆参数变化
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Tab. 3 Variation of elliptical parameters of standard deviation of coupling index of social security and economic development in China from 2002 to 2017
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年份 | 中心 坐标 | 短轴 (km) | 长轴 (km) | 面积 (万km2) | 旋转角 (°) | 偏移距离 (km) | 偏移 方向 | 2002 | 112.515°E、33.471°N | 1057.293 | 1172.881 | 389.562 | 76.84 | - | - | 2003 | 112.315°E、33.343°N | 1046.716 | 1169.770 | 384.642 | 77.89 | 26.495 | 西南 | 2004 | 112.720°E、33.538°N | 1043.514 | 1155.846 | 378.538 | 75.62 | 49.913 | 东北 | 2005 | 112.744°E、33.619°N | 1037.258 | 1159.519 | 377.826 | 74.61 | 9.373 | 东北 | 2006 | 112.785°E、33.539°N | 1034.580 | 1164.182 | 378.366 | 74.26 | 9.968 | 东南 | 2007 | 112.742°E、33.492°N | 1035.808 | 1157.960 | 376.791 | 74.41 | 7.054 | 西南 | 2008 | 112.747°E、33.565°N | 1037.676 | 1159.508 | 377.975 | 73.89 | 8.164 | 东北 | 2009 | 112.661°E、33.469°N | 1032.464 | 1165.246 | 377.938 | 73.09 | 14.287 | 西南 | 2010 | 112.773°E、33.436°N | 1028.451 | 1154.022 | 372.843 | 73.20 | 12.875 | 东南 | 2011 | 112.403°E、33.511°N | 1045.831 | 1167.244 | 383.487 | 76.23 | 41.844 | 西北 | 2012 | 112.436°E、33.486°N | 1044.549 | 1169.691 | 383.754 | 75.57 | 4.569 | 东南 | 2013 | 112.330°E、33.404°N | 1047.287 | 1159.412 | 381.445 | 76.60 | 14.906 | 西南 | 2014 | 112.525°E、33.412°N | 1043.251 | 1151.487 | 377.377 | 76.12 | 21.772 | 东北 | 2015 | 112.571°E、33.379°N | 1035.819 | 1152.774 | 375.107 | 75.36 | 6.268 | 东南 | 2016 | 112.498°E、33.236°N | 1034.027 | 1155.825 | 375.450 | 74.82 | 17.865 | 西南 | 2017 | 112.510°E、33.230°N | 1035.118 | 1154.955 | 375.562 | 75.55 | 1.448 | 东南 |
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