例句與造句

1. " for his discovery of the diffraction of x - rays by crystals
   發(fā)現(xiàn)晶體中的x射線衍射現(xiàn)象
2. " for his contributions to our knowledge of molecular structure through his investigations on dipole moments and on the diffraction of x - rays and electrons in gases
   通過(guò)對(duì)偶極矩x射線和氣體中電子的衍射的研究來(lái)了解分子結(jié)構(gòu)
3. During the research , we used the diffraction of x - ray . sem ( scanning electron microscope ) , electron micro - probe , petrographic analysis , cements physical performance test , adiabatic test , concrete test and so on , also , we gave explanations to all kinds of expansion phenomenon
   本課題在研究過(guò)程中采用了x ?射線衍射掃描電子顯微鏡、電子探針、 x ?熒光分析、巖相分析、水泥物理性能試驗(yàn)、絕熱試驗(yàn)、混凝土試驗(yàn)等手段，對(duì)各種膨脹現(xiàn)象作出了解釋。
4. It's difficult to find diffraction of x-ray in a sentence. 用diffraction of x-ray造句挺難的