Taking Sui Dynasty and Tang Dynasty as the time limit, this thesis researches some questions about Genus-books, who emphasizes on the above aspects.

本文以隋唐两朝为限，着重从以上几个方面对类书的有关问题进行了断代研究。

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This paper focuses on geographical structure issues relating to the Western Capital (Daxing in the Sui and Chang an in the Tang) in the Sui-Tang period.

《冥报记》所述相关史事关系到隋唐西京即大兴城和长安城的地理建置问题。

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Research purposes: the exploration is made on issues of design calculation theory for Column-Net Structure technology of foundation treatment of Ballastless Track in Sui-Yu Railway Line.

研究目的：探讨有关遂渝线无碴轨道桩网结构加固地基技术设计计算理论等方面的问题。

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