submerged antenna

例句：

1. 1. The submerged antenna was designed to detect underwater objects.
   这个淹没天线的设计是为了探测水下物体。
2. 2.The submerged antenna helped improve the signal quality in the deep sea.
   这个淹没天线帮助提高了深海信号质量。
3. 3. The submerged antenna was used for communication purposes during the deep-sea exploration mission.
   在深海探索任务中，这个淹没天线被用于通信目的。