sonar:声纳;声波定位器 详图:

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1

sonar

[’soʊnɑːr]

声纳;声波定位器
Detection system emitting ultrasound; it is used for detection mainly in a marine environment.
发射超声波的探测系统;主要用于海洋环境中的探测。
2

ship

[ʃɪp]

船;舰

3

ultrasound waves emission

超声波发射
Production of very high-frequency sound vibrations whose echo is captured and analyzed.
产生非常高频的声音振动,其回声被捕捉和分析。
简典