sonar 专八

1.sonar thumper seismic system

键击地震系统

2.sonar says that we're in eighteen fathoms .

呐显示我们深度为18英寻。

3.whales use their own inbuilt sonar system to navigate.

鲸鱼用自身呐系统确定航行方向。

4.In the blue-lit sonar room near the bow, Chief Sonarman Mike Morrison relayed the order to the operator.

艇首附近，泛着蓝光舱内，官迈克?莫里森将命令传达给操作员。