中国人口疏密区分界线的历史变迁及数学拟合与地理意义
The historical change, mathematical fitting and geographical significance of demographic borderlines in China
中国人口疏密区分界线的历史变迁及数学拟合与地理意义 |
| 龚胜生,陈云 |
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The historical change, mathematical fitting and geographical significance of demographic borderlines in China |
| GONG Shengsheng,CHEN Yun |
| 图3 中国人口疏密区交错带的拟合线 |
| Fig. 3 The fitting curve of the sparse-dense ecotone of China's population distribution |
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