In the documental study aspect, it offers some steady and effective fundamental materials for the case study of traditional documents.

从整个文献学研究的角度，则为古典文献的个案研究提供了一批扎实而有效的基础性材料。

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This study collects and investigates the literature by using the methods of documental study, in order to fully and correctly grasp the historical evolution of the versions of Sleeping Beauty.

本文通过文献学研究的方法，搜集并调查文献资料，从而全面地、正确地掌握有关《睡美人》童话的版本历史演变；

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