So, how to estimate the value of ecosystem service function effectively becomes the focus of present research and front subject.

因此，如何有效评价生态系统服务功能价值成为当前研究的热点和前沿课题。

youdao

So, how to estimate the value of ecosystem service function effectively becomes the focus of present research and front subject.

因此，如何有效评价生态系统服务功能价值成为当前研究的热点和前沿课题。

youdao