系统分析师应该在进行初步调查和详细调查基础上，开展对现有系统进行分析工作。在研究现有系统时千万不要“闭门造车”，应该多与用户进行沟通，了解他们对现有系统认识和评价。现有系统分析过程有：①获得现有系统物理模型；②抽象出现有系统逻辑模型；③建立新系统逻辑模型；④建立新系统物理模型。正确顺序为：
- A.②①④③
- B.②③①④
- C.②①③④
- D.①②③④
正确答案及解析
正确答案
解析
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