图4：业务参与者划分。
主题领域大致通过对业务感兴趣的主题进行划分。
Subject areas are roughly classified by the topics of interest to the business.
您还可以将错误划分为业务或技术错误。
You can also classify the fault as being business or technical.
根据业务模型分析系统用例，进而完成系统模块划分。
The paper starts with requirements analysis and establishes the business model.
根据业务模型分析系统用例，进而完成系统模块划分。
The paper starts with requirements analysis and establishes the business model.
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