Certificates query system, including file document number query module, the administrator module.

说明：企业证书查询系统，包含档案文档编号查询模块，管理员模块。

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This system by the system administrator module, cashier module and a regular user modules, including functional requirements specification, database design, detailed design and so on.

本系统由系统管理员模块、收银员模块和普通用户模块组成，包括功能需求描述、数据库设计、详细设计等内容。

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Through five roles, the System is divided into five modules: general manager module, project manager module, purchasing manager module, storage administrator module and finance manager module.

系统通过五种角色分为了五大模块，分别为总经理模块、项目经理模块、采购经理模块、仓库管理员模块和财务经理模块。

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