回声探测仪

接收机声频输出电平水平方向回声探测仪

Audio frequency output level of receiver horizontal projection echo sounder

水平方向回声探测仪探测地震强度方向和持续时间的仪器。

Horizontal projection echo sounder an instrument for detecting and measuring the intensity and direction and duration of of movements of the ground ( as an earthquake ) .

利用彩色显示回声探测仪在南海北部水域中测到的图象进行调查底栖鱼类和DSL的垂直移动；

This paper is based on photographs which were detected by a colour-sounder surveying demersal fishes and DSL rhythmic vertical migration in the northern part ' area of South China Sea .

回声探测仪在我国内陆水体鱼类资源调查中的初步应用

Preliminary applications of echosounder in the inland water fish resource investigation

这样就产生了目前各种船舶上普遍应用的回声探测仪。

So was born the echo-sounding apparatus , now in general use in ships .

强调回声探测仪自主品牌产品研发的必要性。

In addition , the necessity and urgent of development self-owned brand echosounder was emphasized .

港珠澳大桥水下结构物的多手段探测回声探测仪在我国内陆水体鱼类资源调查中的初步应用

Multi Methods to Detect the Underwater Objectives Along the Hong Kong-Zhuhai-Macao Bridge Preliminary applications of echosounder in the inland water fish resource investigation