基于小波支持向量机模型的矿区生态安全评价方法研究 |
谭吉玉,刘高常 |
Ecological Security Evaluation of Mining Area Based on WSVM |
Jiyu TAN,Gaochang LIU |
图3 G稀土矿区环境状态图[ Ⅰ级为环境质量较差区域;Ⅱ级为环境治理差区域;Ⅲ级为环境治理一般区域;Ⅳ级为环境治理较好区域 |
Fig.3 Environmental state map of G rare earth mine area[ |