用透射电镜观察了第二阶段蠕变过程位错亚结构的变化。
The dislocation substructure during secondary stage of creep has been examined by TEM.
缺陷组态直接涉及到结构材料的力学性能，特别是位错亚结构(DSS)为最重要的缺陷组态中的第一个。
The defect configuration relates directly to the mechanical behaviour of structural materials. Especially, dislocation substructure, DSS, is one of the most important configurations.
实验结果表明，金刚石晶体中存在有位错、亚结构及包裹体等缺陷。
The results show that there do exist some defects in the diamonds such as dislocation, substructure, inclusion, etc.
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