结果三者间的1H-NMR指纹图谱的区别较大。
Results The obvious difference was observed from their 1H-NMR fingerprints.
阐述了齿轮的齿廓、基本齿廓和齿条型刀具齿廓三者间的相互关系。
This paper expounded the interrelations among gear's flank profile, gear's basic flank profile, and rack cutter's flank profile.
通过论述科学、技术、生产三者间的关系，阐明科学技术是第一生产力。
Through the discussion of the relationship among the science, technology and production, this paper expounds that science and technology is the supreme productive force.
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