短語詞組短語integral differential equation system 積分微分方程系統(tǒng)integral -equation approach 積分方程法integral calculus equation 積分等式integral perturbation equation 積分?jǐn)z動(dòng)方程integral control equation 積分控制方程integral differential equation [數(shù)]積分微分方程volterra integral differential equation volterra 積微分方程integral constitutive equation 積分型的本搆方程integral s equation 積分方程 返回 integral equation