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v(t) = V_0sin(omega t) 的有效电压(RMS):计算 V_(rms) = sqrt(\frac1)Tintegrate from 0 to T of v^2 dt ,其中 。
v(t) = V_0sin(omega t) 的有效电压(RMS):计算 V_(rms) = sqrt(\frac1)Tintegrate from 0 to T of v^2 dt ,其中 。
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