V = S/t ；G = mg ；ρ = m/V ；p = F/S ；P = F/s = ρgh ；F1L1 = F2L2 ；w = Fs = Gh ；p = W/t = Fv ；η = W ；I = U/R = P/U ；W = Pt
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V = S/t ；G = mg ；ρ = m/V ；p = F/S ；P = F/s = ρgh ；F1L1 = F2L2 ；w = Fs = Gh ；p = W/t = Fv ；η = W ；I = U/R = P/U ；W = Pt ...
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