【简答题】【消耗次数：1】
系统分析阶段数据流程调查过程中需收集哪些资料？
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为什么要在系统分析阶段调查确定管理模型？
【简答题】
系统分析阶段对每个数据类描述的结果将构成系统设计阶段数据类设计及[填空1]设计的基础。
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hope
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