The system can measure the direct currentfrequency acceleration.
该系统可以测量频率低至直流的加速度。
2
Currentfrequency and scope in limiting electricity period were put forward.
提出了限电时期的升降电流频率及幅度。
3
The electromagnetic force decays rapidly in the molten steel, and its decaying speed is related to the currentfrequency and polar pitch of the stirrer.