最后归纳了软件包的功能及总体流程图。

Lastly, it gives function and chief flow chart of this software package.

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流程图非常适合展示总体情况，而不会像文本文档一样让您陷入细节的泥潭中。

A flowchart is good at showing the big picture, instead of bogging you down in the details like a text document can.

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第四章系统的设计，介绍了系统的总体功能、数据库、UI以及各流程图的设计。

The fourth chapter system design, this paper introduces the overall function, database system, the design of the flow chart and UI.

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