1) ecological constraints
生态制约
1.
It is assumed that ecological constraints have to be reduced and proper measures made.
西部水电建设进入了一个与过去的技术、资金、市场机制制约完全不同的阶段——生态制约阶段。
3) environmental binding mechanism of tourism development
旅游开发生态约束机制
1.
Based on the study of the appearance and causes of contradiction between tourism system and ecosystem, the idea of constructing environmental binding mechanism of tourism development and its concrete ways are stated to settle the contradiction.
本文结合诊断和系统规划的方法 ,分析了旅游开发与环境保护的矛盾及产生根源 ,提出了通过构建旅游开发生态约束机制解决这一矛盾 ,促进二者协调发展的观点和具体途
4) ecological limit
生态约束
1.
Harvesting operation under ecological limit is beneficial to regeneration and growth of forest.
一切采伐作业都必须在一定的生态约束下进行,这样有利于林木更新生长。
6) Ecological constraint theory
生态约束论
补充资料：非密度制约因素(见密度制约因素)
非密度制约因素(见密度制约因素)
l焦非密度制约因素见生态因素、密度制约后
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条