研究机组之间存在水力联系的水电站中，两台机组采用扩大单元接线对系统低频振荡阻尼的影响。
According to two units with hydraulic coupling in hydropower plants, the effect of expanded unit connection to low frequency oscillations damping was studied in detail.
电磁感应加热电路设计包括功率电路、控制电路、振荡和驱动电路等单元，阐述系统的电路设计。
Electromagnetic induction heating circuit design includes power circuit, control circuit, oscillations and driving circuit modules expounded on the circuit design.
本发明涉及一种小型电动器具，包括为该小型电动器具的至少一个工作单元(18)产生振荡运动的驱动装置。
The invention relates to a small electrical appliance with a drive device for the generation of an oscillating movement for at least one working unit (18) in the small electrical appliance.
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