需要运用技术政策等综合手段维护、 扩展、修复受损的生态系统，保持自然生态平衡。

We still need to maintain and renovate the harmed biogeocenose making use of all integrated methods in order to keep the balance of natural biogeocenose.

youdao

需要运用技术政策等综合手段维护、 扩展、修复受损的生态系统，保持自然生态平衡。

We still need to maintain and renovate the harmed biogeocenose making use of all integrated methods in order to keep the balance of natural biogeocenose.

youdao