double plate sounder

例句：

1. 1. The double plate sounder was used to map the underwater terrain.
   使用双板声纳来绘制海底地形图。
2. 2. The double plate sounder is essential for detecting underwater obstacles.
   双板声纳对于检测水下障碍物至关重要。
3. 3.The double plate sounder was used to gather data on marine life distribution.
   双板声纳用于收集海洋生物分布的数据。