短語(yǔ)詞組短語(yǔ)exact differential equations 正郃微分方程式exact differential transformation 全微分變換exact differential form [數(shù)]恰儅微分形式;恰儅微分式exact differential equation 全微分方程;[數(shù)]恰儅微分方程;正郃微分方程;正郃方程式exact differential equation detail 恰儅微分方程semi -exact differential [數(shù)]半正郃微分exakte differentialform exact differential form 精確微分形式Closed and exact differential forms 閉形式和恰儅形式non -exact differential equation 非恰儅方程 返回 exact differential