Terms for subject Earth sciences containing 回声

Chinese	English
倒置式回声测深仪	inverted echo sounder
全球水平回声测深技术	global horizontal sounding technique
压力表式倒置回声测深仪	inverted echo sounder with pressure gage
回声测深	echo sounding
回声测深仪	echo-sounding device
回声测深仪测深	fathometer depth sounder
回声测深器	echo depth sounder
回声测深室	echo sounding room
回声测深法	fathometer depth sounder
回声测距与测深综合系统	combined echo ranging and echo sounding
回声测距仪	echo range equipment
固定式回声测深仪	secure echo-sounding equipment
多次多源回声	flutter echo
多波束回声探测器	multibeam echo sounders
定向爆炸回声测距	directional explosive echo ranging
混频型回声测深仪	mixed-mode echoes
精密回声测深记录仪	precision echo sounding recorder
超声回声测距仪	ultrasonic echo ranging equipment