1.
A trademark used for a sonic depth finder.
回音测深仪一种声音测深仪的商标
2.
echo meter=echometer
回声测试器回声测深仪
3.
double-channel echo well sounder
双通道回声井深测试仪
4.
magnetostriction echo sounding set
磁致伸缩回声测深仪
5.
hydrographic precission scanning echo sounder
水文精密扫描回声测深仪
6.
Echo sounder's target signal generator based on DDS
基于DDS技术的测深仪回波信号源
7.
"So was born the echo-sounding apparatus, now in general use in ships. "
这样回声测深仪就诞生了,现已为船只普遍采用。
8.
Supersonic or ultrasonic meter
超音速（波）测速仪
9.
audiorecord ferrograph
音频录音综合测试仪
10.
deep propagation tool
深电磁波传播测井仪
11.
digital magnetic telluro sounding instrument
数字大地电磁测深仪
12.
deep investigation focused induction device
深探聚焦感应测井仪
13.
electric bathythermograph
电测水深水温记录仪
14.
An instrument used to measure the depth of water.
水深测量计一种水深测量仪器
15.
Doppler ultrasound fetal beat detector
多普勒胎儿心音检测仪
16.
digital grade land geophone
数字级陆地地音探测仪
17.
voice carrier telegraph testing equipment
音频载波电报测试仪
18.
combined echo ranging echo sounding
组合回声测距与测深