生态系统元素平衡是当前全球变化生态学和生物地球化学循环的研究热点和焦点。

Ecosystem element balance has been a main focus of global change ecology and biogeochemical cycle research.

youdao

生态系统元素平衡是当前全球变化生态学和生物地球化学循环的研究热点和焦点。

Ecosystem element balance has been a main focus of global change ecology and biogeochemical cycle research.

youdao