300 BC-1900 AD无定河流域城镇时空格局演变
A historical study on the patterns of spatio-temporal evolution of towns in the Wuding River Basin
注：图片来源为作者在天地图影像基础上绘制。
300 BC-1900 AD无定河流域城镇时空格局演变 |
| 佟彪,党安荣,许剑 |
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A historical study on the patterns of spatio-temporal evolution of towns in the Wuding River Basin |
| TONG Biao,DANG Anrong,XU Jian |
| 图1 无定河流域区位图 注：图片来源为作者在天地图影像基础上绘制。 |
| Fig. 1 The location of Wuding River Basin |
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