marking pulse

例句：

1. 1.The marking pulse is a crucial part of the system.
   标记脉冲是系统的关键部分。
2. 2. The marking pulse helps to identify the location of the target object.
   标记脉冲有助于识别目标物体的位置。
3. 3. The marking pulse was used to control the movement of the robot arm.
   标记脉冲用于控制机器人手臂的运动。