A sequence of values indicating positive or negative direction in time, years, months, days, hours, minutes, and seconds.
表示时间正向或逆向的一组值：年、月、日、时、分和秒。
Two types of digital negative sequence strainer using vector method and sampling method are researched in this paper.
本文对向量法和采样点计算法两种数字式负序滤过器进行研究。
Larger system voltage unbalance degree causes larger capacitor voltage pulsation and negative sequence current.
不对称度的增加将进一步增大电容电压的脉动和负序电流的大小。
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