1980—2016年黄土高原地区人口和可达性异速标度分析 |
| 吕敏娟, 曹小曙 |
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Allometric scaling analysis of population and accessibility on the Loess Plateau from 1980 to 2016 |
| LV Minjuan, CAO Xiaoshu |
| 图3 1980年和2016年乡镇人口规模金字塔 |
| Fig.3 Population pyramid of the towns and townships in 1980 and 2016 |
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