She keeps popping in and out.她不停地走进走出.The others are meeting to see what they can do to shut him up. He's been popping off to the press.其他人正在碰头，看怎么样能让他闭嘴。他一直在对报界哇啦哇啦地胡言乱语。Champagne corks were popping throughout the ...
The quasi - geoid computed by geopotential model is fitted with the quasi - geoid measured by GPS leveling.将地球位模型计算的阜新似大地水准面拟合于GPS水准实测的似大地水准面.Geodetic leveling should be done with staves in which the onstrip of invar.大地水...
The center of inscribed circle of tetrahedron is called incenter.四面体内切球的球心称为四面体的内心。We can now use tetrahedron and hexahedron elements in three - dimensional stress analysis.我们现在在三维应力分析中采用四面体单元和六面体单元.Each tetrahedron shar...