采用面向对象的设计方法，对部分模块给出了详细设计过程，包括用例设计、概念模型和顺序框图。
Adopting the object-oriented design method, the detail design of some modules is given, which includes use case design, concept model and sequence diagram.
采用面向对象的设计方法，对部分模块给出了详细设计过程，包括用例设计、概念模型和顺序框图。
Adopting the object-oriented design method, the detail design of some modules is given, which includes use case design, concept model and sequence diagram.
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