forestry eco-economics
常见例句
- This paper attempts to tackle such problems as concepts, structures and benefits about a- go-forestry systems, from the points of view and approaches of eco—economics and system theory.
其意义、结构、功能、效益等乃是目前研究的核心内容。本文运用生态经济学的观点和方法，对此进行了初步的尝试。 返回 forestry eco-economics