the study showed an increased level of twinning in cattle.
究表明牛的孪生有增加。
the study showed an increased level of twinning in cattle.
究表明牛的孪生有增加。
The crystallology, dislocation mechanism and geometry of twinning during plastic deformation of magnesium alloys are overviewed in this paper.
摘要介绍了镁
金变形过程中孪生的晶体学、位错机理
何位向学；
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