短語詞組短語parametric orbit equations 軌道參數(shù)方程Vectors and Parametric Equations 向量和參數(shù)方程Parametric Equations and Polar Coordinates 第十章vector -type parametric equations 向量式參數(shù)方程Vectors s and Parametric Equations 向量和參數(shù)方程linear parabolic equations parametric amplifier 線性參數(shù)放大器 返回 parametric equations