Eight sonars on each unit helped them avoid collisions with walls and other robots.

每个机器人上装有声波导航和测距装置,这也使得它们不会碰撞到墙壁与其它的机器人.

Underwater warfare simulation involving multi-targets and multi-sonars is an important way to research sonar performance in the complicated environment.

由多目标与多声纳构成的海洋声信息战仿真系统是研究声纳及其水下作战效能的重要工具。