There are many ancient codes and records in the library of our institute.

在我院图书馆里藏有许多典籍。

《新英汉大辞典》

In this paper, the mathematical know ledge in ancient codes and records was investigated on the base of the previous investigation, fraction and fraction operation were discussed emphatically.

本文是在前人研究工作的基础上，进一步探究了先秦典籍中散在的数学知识，重点讨论了分数及其分数的运算。

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