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2013-05-23 12:21
求翻译:Direct Current always flows in the same direction, but it may increase and decrease.A DC voltage is always positive (or always negative),but it may increase and decrease.Electronic circuits normally require a steady DC supply which is constant at one value or a smooth DC supply which has a small variation called ripple是什么意思? 待解决
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- 离问题结束还有
Direct Current always flows in the same direction, but it may increase and decrease.A DC voltage is always positive (or always negative),but it may increase and decrease.Electronic circuits normally require a steady DC supply which is constant at one value or a smooth DC supply which has a small variation called ripple
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