Their new microscope replaces the magnetic tip with a diamond that has a defect in its crystal structure.
他们的新显微镜用一个晶体结构上有缺陷的钻石替代了磁针。
The paper analyses the reason why the appearance defect of concrete structure appears, and puts forward the corresponding precaution and treatment in construction.
分析了混凝土结构外观缺陷产生的原因，提出了相应的施工预防措施及处理方法。
The research focuses on the defect equivalent analytical methods in building steel structure butt weld fusion and the effects of non-crack-type defects on the normal use of butt weld fusion.
本课题研究了建筑钢结构熔透对接焊缝中缺陷当量的分析方法和非裂纹类缺陷对焊缝正常使用的影响。
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