agricultural ecology security
英
美
- 农业生态安全
双语例句
- The status quo of China's forestry indicates that forestry development does not meet the requirement for maintaining ecological security.
林业现状说明，林业发展与维护生态安全的要求极不适应。 - Yulin District and Hengshan County were taken as the cases, and ecological security index system was constructed to assess the security levels of the two regions.
选择了榆林市和横山县两个行政单元，针对区域特征，构建了不同尺度上的生态安全指标体系，利用层次分析法，对不同尺度上生态安全的空间分异进行了研究。
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