Based on a comparative analysis on the use of references in 160 engineering doctoral dissertations of B University ,this study finds that there are no significant differences between fine doctoral dissertations and general degree theses in their num-bers of references .Differences found in varying degrees are mostly concerned with the type ,languages ,ageing degree of refer-ences ,and numbers of interdisciplinary ,classic references or authors'own articles cited .Such differences indicate the patterns and features of reference citations in doctoral dissertations and effects on their quality .Our findings may provide useful infor-mation for the preparation of doctoral dissertations .%运用引文分析的方法，对B大学160份工科博士学位论文的文后参考文献进行了比较分析。研究发现优秀博士学位论文与普通学位论文在参考文献总量上没有明显差异，但在文献类型、语种情况、文献的衰变情况、跨学科文献数量、经典文献数量以及自引文献数量上有不同程度的差异。这种差异从不同角度说明了博士学位论文参考文献引用的规律、特点及其对论文质量的影响，因而可为博士学位论文创作提供启示。
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