高寒地区生态贫困评价及影响因素分析——以色林错地区为例 |
杨定, 杨振山 |
Ecological poverty and its influencing factors in an alpine area: Case study of the Selinco area |
YANG Ding, YANG Zhenshan |
图2 生态贫困BP神经网络模型拓扑结构 |
Figure 2 Architecture of the BP neural network for ecological poverty |
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