echolocation calls characteristic 回声定位信号特征
Some bats have specialized structures for emitting echolocation calls.
一些蝙蝠已经把用于发出回声定位叫声的结构专门化了。
The scientists then recorded, and later computer analyzed, the echolocation calls emitted by the bats in response to the dangling mealworms.
科学家然后开始记录，之后电脑分析出结果。
In all, it is thus evident that echolocation calls were certainly diversity in different river habitats, and so do the land and river habitats.
综上所述，大趾鼠耳蝠河流不同生境中回声定位声波结构存在一定差异，且陆地和河流生境中声波差异显著。
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