大致说来，犀牛是一种定栖动物。
该研究结果将对我国海洋底栖钩虾类的区系研究和沉积物毒性检验受试生物的选择和采集提供一定帮助。
The results may be helpful to understand the fauna of Gammaridea in Chinese sea and choice adaptive testing amphipods for sediment toxicity test.
研究表明，渤海北部底栖海藻的温度性质以暖温带性为主，带有一定的亚热带性；
The study showed that the marine algae flora of the northern Bohai Sea coast belongs to warm temperate in nature with considerable subtropical composition.
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