Content: At present, the study of the ecosystem service function is hot and difficult problem in China.

内容摘要：生态系统服务功能研究是目前国内研究的热点和难点。

youdao

Content: At present, the study of the ecosystem service function is hot and difficult problem in China.

内容摘要：生态系统服务功能研究是目前国内研究的热点和难点。

youdao