人们把这个组合称作 “ 间隔 ” 的平方.This combination is named the square of the " interval ".他越过把他们分开的年龄间隔的代沟, 和善地加以解释.He explained, good - naturedly, across the little gap of years that separated them.对谐振子来说,能级是等间隔的.For a harmonic osc...
The extrusion of silica - rich lava, the Rooiberg felsite, occurred on a grand scale.富于 硅氧 的岩流及罗依山霏细岩的喷出作用占据了广大面积.There are lots of advantages by cold extrusion for straight knurl nut in a single process.直纹滚花螺母采用冷挤压一次成形新...
The trend of intraocular lens design: aspheric or spherical?非球面人工晶状体会全面取代球面人工晶状体 吗 ?The phase information of aspheric surface is evaluated by Hilbert transform only from one interferogram.同时,本论文也论述了仅用一幅光载频干涉条纹获取非球面镜表面的全部...