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.
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。
2
A systemflowchart graphically depicts the major inputs, outputs, and processes of a system.
系统流程图是以图形的形式描述出系统主要的输入、输出和程序。
3
In the paper, the whole process of bearing product CAD is systematically introduced, and the working flowchart and program chart of CAD system are given.