phase lock

例句：

1. 1.The phase lock is essential for the operation of the device.
   相位锁定对于设备的运行至关重要。
2. 2.The phase lock was used to ensure the accuracy of the measurement.
   相位锁定被用来确保测量的准确性。
3. 3. The phase lock was responsible for maintaining the stability of the system.
   相位锁定负责维护系统的稳定。