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 …
本文从介绍青藏高原生态系统功能特征及服务价值入手，分析了生态系统服务功能弱化深层原因及影响，并就应对策略进行了初步探讨。 返回 value of eco-system service