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一个信息管理系统的完美商业设计文档，内容包括：软件需求规格说明书、统概要设计说明书、系统详细设计说明书-Information Management System for a perfect commercial design documents, including: software requirements specification, design specification Commission a summary of th

软件工程文档 大型建筑企业信息系统软件系统需求规格说明书-software requirement specification