本文的第二章主要探讨了希罗·多德和修昔底德的史学方法。

In the second chapter, I mainly discuss the method of Herodotus and Thucydides.

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第三章讨论了网格质量修匀及优化技术，并且引入网格节点编号优化方法以减小总刚矩阵的半带宽。

The third chapter analyzes several mesh quality smoothing and optimization methods, and imports a method that optimizes the node Numbers to reduce the semi-bandwidth of rigidity matrix.

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现在居住在马尔福庄园的人有卢修斯和纳西莎·马尔福夫妇和他们的独生子德拉科（凤凰社，第6章）。多比现在已经不为他们家服务了。

Current occupants of Malfoy Mansion are Lucius and Narcissa Malfoy and their only child (OP6), their son, Draco. Dobby is no longer in their employ.

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