青藏高原区域粮食储备规模测算与粮库空间选址研究

段健, 王维婷, 陈静, 付慧娟, 施凡基

Scales and spatial distribution patterns of grain reserves on the Qinghai-Tibet Plateau

DUAN Jian, WANG Weiting, CHEN Jing, FU Huijuan, SHI Fanji

图5 三级节点最短时间成本空间分布差异

Fig.5 Spatial distribution difference of the minimum time costs of the third-level nodes