短語詞組短語quartic manifold 四次廖circular quartic 圓點(diǎn)四次曲線space quartic 四次撓線nodal quartic 節(jié)點(diǎn)四次線tricuspidal quartic [數(shù)]三尖點(diǎn)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