real-time automatic digital optical tracker

例句：

1. 1. Thereal-time automatic digital optical trackeris used to monitor the movement of objectsin real time.
   实时自动数字光学跟踪器用于实时监测物体的运动。
2. 2. The real-time automatic digital optical tracker has greatlyimproved the accuracy of the tracking system.
   实时自动数字光学跟踪器大大提高了跟踪系统的精度。
3. 3. The real-time automatic digital opticaltracker is a crucial component of therobotic arm system.
   实时自动数字光学跟踪器是机器人手臂系统的关键组成部分。