- echo sounding apparatus
- 回声测探器
Atmospheric Sciences (English-Chinese) dictionary. 2014.
echo sounding apparatus
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Echo — n. & v. n. (pl. oes) 1 a the repetition of a sound by the reflection of sound waves. b the secondary sound produced. 2 a reflected radio or radar beam. 3 a close imitation or repetition of something already done. 4 a person who slavishly repeats… … Useful english dictionary
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