哨声被认为是识别的声音，就像名字一样，而咔嚓声则是用来导航和回波定位寻找猎物。
Whistles are thought to be identification sounds, like names, while clicks are used to navigate and to find prey with echolocation.
分析了“欠采样”成对回波和“速度失配”成对回波的形成机理，给出了成对回波定位和强度的通用计算公式。
The reasons of the paired false target echoes are analyzed and the paired echoes are divided into two types, one is called "undersampled type" and anather, "velocity mismatched type".
蝙蝠是唯一会飞的哺乳动物，进化程度很高，能够在一片漆黑中精确定位一只飞虫的位置，并利用回波定位准确地从空中捕捉。
Bats are the only mammal capable of flying and are so highly evolved to be capable of pinpointing a single insect flying in the pitch black and plucking it out of the air using echo location.
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