millisecond meter

例句：

1. 1.The clock is accurate to within a millisecond of the actual time.
   这把表非常准确，与实际时间相差毫秒。
2. 2.The engineer used a laser beam to measure the distance between two points.
   工程师使用激光光束测量两点之间的距离。
3. 3. The scientist conducted experiments using micro-scale equipment.
   科学家使用微型设备进行实验。