This paper discusses its design and implementation, and presents some parts of the source codes.

文中对该系统的设计思想和具体方法进行探讨，并给出部分源代码。

youdao

This paper discusses its design and implementation, and presents some parts of the source codes.

文中对该系统的设计思想和具体方法进行探讨，并给出部分源代码。

youdao