图8所示的流程图总结了当用户试图在CM系统中创建项目时，授权机制如何发挥作用。
The flowchart in Figure 8 summarizes how the hierarchy of authorization takes place while a user tries to create an item in the CM system.
对程序中用到的主要数据结构及作用做了说明，并借助流程图详细介绍了行编辑程序各功能的实现过程。
The main data structure used in the program is given, By means of program flow chart, the program is described in detail.
最后，给出了电子政务目标相互作用机制流程图。
Finally, it provides the flow chart on the interactions of targets of electronic government.
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