dihedral angle雙面: two-sided; double-edged; dou ...角: role; part; character二面角: angle, dihedral; dihedral angle; interfacial angle雙面角: dihedral angle二面角，上反角: angle， dihedral下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
