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。
The type of parasequence sets is similar to classic sequence stratigraphy, and the parasequence mainly consists of positive rhythm.
准层序组类型与经典层序地层学中的类型相似，但是其内部各准层序以正韵律为主。
The proposed method doesn't need hardware synchronization circuit and can perform the calculation of fundamental positive sequence component of the supply voltage in real time.
这种方法不需要硬件同步电路，能实时地计算电源电压中的基波正序分量。
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