1) echometer
[e'kɔmitə]
回声仪
1.
Changes of liquid level are usually monitored with echometers and stable decompression is achieved by controlling the reducing rate of the liquid level.
通常用回声仪来监测环空液面变化,通过控制液面下降速度来实现稳定降压。
2.
The echometer was used to monitor the change of the annular water level in the coal- bed methane(CBM)wells production,which could decrease pressure stably and continuously.
在煤层气井排采过程中,通常用回声仪来监测环空液面变化,通过控制液面下降速度来实现稳定、连续降压。
2) Behm lot
回声测声仪
3) echo sounder
回声探测仪,回声测深仪
4) echo sounder
回声测深仪
1.
With the development of the electronic technology especially the digital signal processor,the echo sounder is stepping into the digital age.
随着电子技术特别是数字信号处理器的迅速发展,回声测深仪进入了数字化时代;计算机技术与数字信号处理器的结合,使测深仪一改其单一的旧"面孔",人机操控显示界面、结构组成呈多样性。
2.
Echo Sounder is a kind of acoustic measuring depth equipment, which can measure depth with the time between transmitted wave and echo on condition in which the speed of ultrasonic is fixed.
回声测深仪是用来测量水深的一种声学测量设备,其以水中超声波的传播速度为确定条件,利用发射波与反射回波时间差来测量水深。
5) echo altimeter
回声测高仪
6) echograph; echo-sounding instrument; echo sounding machine,echo depth sounder,echo sounder,fathometer,sonic depth finder,sonic depth sounder,underwater sound gear
回声测探仪
补充资料：回声
回声
从被检物体的声不连续部分或声不均质部分反射回来的超声波。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条