不认识认识

echo-location 英 ['ekəʊ ˌləʊ'keɪʃən] 　美 ['ekoʊ ˌloʊ'keɪʃən]

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echo-location

n. 回声定位　

名词复数:echo-locations　

The bat judges distances by a kind of echo-location.　蝙蝠用一种回声测定法来判断距离。

If you buy a bat detector you can pick up their high-pitched echo-location calls as well.　如果你购置了一个蝙蝠探测器，你还可以探测蝙蝠高音的回声，便知它们的位置。

1. The bat judges distances by a kind of echo-location.

蝙蝠用一种回声测定法来判断距离。
2. If you buy a bat detector you can pick up their high-pitched echo-location calls as well.

如果你购置了一个蝙蝠探测器，你还可以探测蝙蝠高音的回声，便知它们的位置。
3. This echo-location in bats is often compared with radar, theprinciple of which is similar.

蝙蝠这种回响定位法常拿来和原理与之很相近似的雷达相比。