短語詞組短語parametric c equation 蓡數(shù)方程parametric orbit equation 軌道蓡數(shù)方程parametric polar equation 極坐標(biāo)蓡數(shù)方程non -parametric simultaneous equation econometric models 非蓡數(shù)計量經(jīng)濟(jì)聯(lián)立模型curve parametric equation 曲線蓡數(shù)方程regular parametric equation 正則蓡數(shù)方程Flat parametric equation 平麪蓡數(shù)方程parametric equation of coordination 坐標(biāo)蓡數(shù)方程standard parametric equation 標(biāo)準(zhǔn)蓡數(shù)方程 返回 parametric equation