Do beautiful benthon , you all shout reach first name?

首页>>风景名胜>>漂亮的海生，你都叫得出名字吗？

The ground base was evaluated and analysed by using biological index and variation of population of benthon which are effected by bottom water and mud environment.

以栖动水环境和泥环境长期影响的指标,利用生指数和种群结构的变化对质进行评价和分析。