<span><span><span>基于可拓优度评价模型的</span></span></span><span><span><span><span><span>耕地生态安全</span></span></span></span></span><span><span>评价</span></span>——以保定市为例

基于可拓优度评价模型的耕地生态安全评价——以保定市为例

赵文晖，杨伟州，王利香，张蓬涛

Journal of Henan Agricultural Sciences . 2015, (2): 60 -65 .