The paper discussed the reasons of DC system earthing and introduced the attentions while finding out its reasons.
阐述直流接地的原因,介绍了直流系统接地查找原因以及在查找过程中的注意事项。
This paper discussed the reasons of the reinforced concrete prefabricated column 'w. analysed and subsited some useful solving measures.
本文通过对钢筋混凝土预制柱裂缝产生的原因分析比较,提出一些措施。
The paper discussed the reasons for the enhanced metastatic capactity from metastatic heterogeneity of neoplasm, tumor cell-host interactions.
本文从肿瘤的异质性以及肿瘤与宿主相互作用的角度讨论了其肺转移提高的原因。
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