To be good at it, you need to understand something about local circumstances and aquatic biology.

要想精于此道，你必须了解当地环境及一些水生动物相关知识。

youdao

From the viewpoint of protecting aquatic biotope, fish is deemed as target of river aquatic biology.

从保护河道内水生生物的角度出发，以鱼类为河道水生生物的指示物种。

youdao

Compound bacterium will not directly affect aquatic biology but improve the survival environment of aquatic biology.

对水生生物没有直接的作用，主要是通过改变水生生物的生存环境而产生作用。

youdao

He is the head of the aquatic biology department at the California Academy of Sciences.

VOA: special.2011.03.15

John McCosker, chairman of aquatic biology at the California Academy of Sciences, estimates that 90% of the sharks that once inhabited the world's oceans have now disappeared, due to overfishing and shark finning a practice in which sharks are captured and their fins are sliced off for use in shark-fin soup.

WSJ: Stefanie Brendl: To Swim With the Sharks | Creating