value of eco-system service
常见例句
- Starting with the characteristics of the eco-system service function in Qing-zang Altiplano and its service value, this paper analyzes the deeply factors, which influence the exertion of the …
本文從介紹青藏高原生態系統功能特征及服務價值入手，分析了生態系統服務功能弱化深層原因及影響，竝就應對策略進行了初步探討。 返回 value of eco-system service