1)trivacancy['trai'veikənsi],三空位2)trivacancy complexes,三空位复合体3)3 D spatial horizon calibration,三维空间层位标定4)Trivacant heteropolyanion,三空位杂多阴离子5)3D map migration for depth structure,三维空间偏移归位6)Space Measuring and Positioning,空间三维测量定位
用法和例句
Space Measuring and Positioning For Special Steel Structure;