upper derived function 上导函数
n-th derived function n阶可微函数
the derived function 关键词导函数
upper lower derived function 上导数
approximate partial derived function 近似偏导函数
cubic hermite interpolating derived function 三次hermite插值导函数
characteristic function of derived function 导数的特征函数
estimgot ppaintingsiwis derived function 近似偏导函数