短語詞組短語quartic manifold 四次廖circular quartic 圓點四次曲線space quartic 四次撓線nodal quartic 節(jié)點四次線tricuspidal quartic [數(shù)]三尖點四次線quartic systems 四次系統(tǒng)quartic spectrum 四次方譜quartic system 四次系統(tǒng)quartic equation 四次方程 返回 quartic