write the function of the system, the requirements as comprehensive as possible, it should at least describe to the second layer. For example, the payment function, the need for payment of any of the following sub-functions : cash payments, credit card payments. Set out in detail the function of the detailed requirements, such as input, output, achieving requirements, and related steps. Is the analysis of the boundary map

Packet : 27796732ooa.rar filelist
ooa与ood实习示例（北大）.ppt

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