| 单词 | 声纳 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔scattering layer〕A concentrated layer of organisms in the ocean that reflects and scatters sound waves, as from sonar.散射层：海洋中反射及分散声波的，如来自声纳的生物体密集层美国传统〔sonar〕A system using transmitted and reflected underwater sound waves to detect and locate submerged objects or measure the distance to the floor of a body of water.声纳：一种系统，通过利用传送或反射的水下声波，来探测或定位水下物体或者测量某一水域的深度美国传统〔sonar〕An apparatus, as one in a submarine, using sonar.声波定位器：一种装置，使用声纳进行探测，如潜水艇中的装备美国传统〔sonobuoy〕A buoy equipped with an acoustic receiver and a radio transmitter that emits radio signals when it detects underwater sounds.声纳浮标：一种浮标，上面装配有原声接受器以及在探测水底声音时能发射出电波信号的电波发射机美国传统 |
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