sonar 专八

sonar thumper seismic system

声纳键击地震系统

sonar says that we're in eighteen fathoms .

声呐显示我们的深度为18英寻。

whales use their own inbuilt sonar system to navigate.

鲸鱼用自身的声呐系统确定航行方向。

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

艇首，着蓝光的声纳舱内，声纳官迈克?莫里森将命令传达给操作员。