蝙蝠通过一种回声定位来判断距离。
这些物种利用回声定位来寻找方向并识别食物。
These species use echolocation to find their way and identify food.
在风暴期间和之后，使用回声定位的鲸鱼基本上是在盲目游动。
During and after a storm, echolocating whales are essentially swimming blind.
这是一种声纳装置，一种回声定位系统。
他们可以发出每秒1000个回声定位信号。
蝙蝠这种回声定位常常可与雷达相比较，其原理是相似的。
This echo-location in bats is often compared with radar, the principle of which is similar.
蝙蝠这种回声定位常常可与雷达相比较，其原理是相似的。
This echo-location in bats is often compared with radar, the principle of which is similar.
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