infrablack synchronizing signal

例句：

1. 1.The infrared sync signal is used to control the robot's movements.
   红外同步信号用于控制机器人的动作。
2. 2. The infrared sync signal was transmitted over a long distance without any interference.
   红外同步信号在长距离传输时没有任何干扰。
3. 3. The infrared sync signal was used to synchronize the cameras on the camera system.
   红外同步信号被用来同步摄像机系统上的摄像机。