- 船舶: shipping; boats and ships; v ...
- 声学: acoustics; phonics; aeroacou ...
- 船舶声纳系统: ship sonar system
- 船舶声响导航系统: shiacoustic navigation system; ship's acoustic navigation system
- 船舶声光报警信号和识别标志: acoustic optical alarm signals and identifying indications in ships
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