STUDY SELECTION: The documents about BRCA2 protein and DNA repair were chosen.
研究选择：选择关于BRCA2蛋白及DNA损伤修复的文献。
A more representative selection can occur only at a deeper level of study.
一个更有代表性的选择只有在更深层面的研究才可以发生。
Selection of a Scientific Research Topic for a lifetime study.
选题---选择一门可进行终身研究的学问；
Value selection is an important problem in the study of value theory but relatively weaker.
价值选择是价值论研究中的一个具有重要现实意义的问题，但在理论研究上又比较薄弱。
Study about selection step and evaluation method.
供应商选择的步骤和评价方法研究。
Study about selection step and evaluation method.
供应商选择的步骤和评价方法研究。
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