color sonar

例句：

1. 4.例句：1. The color sonar is used to detect underwater objects.
   彩色声纳用于探测水下物体。
2. 2. The colorsonar helps us to navigate through theocean.
   彩色声纳帮助我们在海洋中导航。
3. 3.The color sonar can detect the locationof a ship in real-time.
   彩色声纳可以实时检测船只的位置。