回声探测 meaning in Chinese
acoustic sounding
echo sounding
echosounding
reflection sounding
Examples
- Ships and marine technology - marine echo - sounding equipment
船舶和海洋技术.海上回声探测设备 - Iso 9875 : 2000 ships and marine technology - marine echo - sounding equipment iso 9875 : 2000 ; german version en iso 9875 : 2001
船舶和航海技术.海上用回声探测设备