短語(yǔ)詞組短語(yǔ)parametric c equation 參數(shù)方程parametric orbit equation 軌道參數(shù)方程parametric polar equation 極坐標(biāo)參數(shù)方程non -parametric simultaneous equation econometric models 非參數(shù)計(jì)量經(jīng)濟(jì)聯(lián)立模型curve parametric equation 曲線參數(shù)方程regular parametric equation 正則參數(shù)方程Flat parametric equation 平面參數(shù)方程parametric equation of coordination 坐標(biāo)參數(shù)方程standard parametric equation 標(biāo)準(zhǔn)參數(shù)方程 返回 parametric equation