ecological fragile area是什么意思 ecological fragile area怎么读
ecological fragile area的相关资料
ecological fragile area的用法和样例
- The Western fragile ecology region is related closely to economy poverty, which also shows mang common characteristics.
摘要西部生态脆弱区与经济贫困有很强的相关性，并表现出许多共同的文化特征。 - North Shaanxi loessial altiplano is the environmental fragile zone, world-famous for its soil run out.
陕北黄土高原是我国西部生态环境脆弱区，水土流失现象极为严重。
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