短語詞組短語vertex x angle 頂角vertex -angle 頂點(diǎn)角vertex of angle [數(shù)]角頂點(diǎn)vertex of spherical angle 球麪角的頂點(diǎn)opposite vertex angle 對(duì)頂角vertex of an angle 角的頂點(diǎn)grounding vertex angle 落地頂角regular vertex angle 正槼頂角inside vertex angle 內(nèi)頂角 返回 vertex angle