在某些情况下，业务对象模型将演化成系统类。
In some cases, the business object model evolved into system classes.
然后为每个系统创建对象模型和序列图。
Then an object model and sequence diagrams were created for each system.
Linux权限模型每个文件系统对象有3种类型。
The Linux permission model has three types of permission for each filesystem object.
以项目风险管理为研究对象，建立了项目风险管理系统模型。
Project risk management is studied with the establishment of system modeling of risk management.
常规PID控制易于建立线性温度控制系统被控对象模型。
Routine PID control was easy to establish linear temperature controlled object model.
最后使用UML建立了一个版本管理系统的面向对象模型。
At last UML was used to build an object-oriented model of a version management system.
最后使用UML建立了一个版本管理系统的面向对象模型。
At last UML was used to build an object-oriented model of a version management system.
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