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直流电
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直流电
Encyclopedia
理学
直流电
释
direct current
直流电
电荷流动方向不随时间改变的电流。常用符号DC或dc表示。另一种含义较狭窄而更为常用的直流电是指恒定电流,即电路中电流的方向和大小都不随时间改变。
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A General Survey of Agriculture
A General Survey of Chinese Quyi
A General Survey of Ci Poetry in the Song Dynasty
A General Survey of Ci Poetry in the Tang and Song Dynasties
A General Survey of Yuefu Poems
A general Theory of Magic
A Generation
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