高阶偏导数

theory of higher-order ramification【数】

higher-order lag structure【统计】

higher harmonic【物】;higher harmonic wave【物】;higher-order harmonic【物】

higher mode【电磁】;higher-order mode【电磁】

higher-order ordinary differential equation【数】

derivative of higher order【数】;higher derivative【数】;higher-order derivative【数】

higher-order attenuation【电子】

higher-order compound