approach control circuit

例句：

1. 1.The engineer designed the approach control circuit to ensure safe operation of the robot.
   工程师设计了接近控制电路，以确保机器人的安全运行。
2. 2.The approach control circuit was responsible for monitoring and controlling the robot's movement.
   接近控制电路负责监控和控制机器人的运动。
3. 3.The engineer had to modify the approach control circuit to accommodate the new requirements.
   工程师必须修改接近控制电路以满足新的要求。