The calculated error can be in one of two partitions about the desired accuracy, a feature of the structural design for the unit, which is not apparent from a purely functional specification.
错误可能是在二类划分的当中一个中关于准确性，结构设计的特点为单元，不是明显的从一个单纯的功能规格。
In some organizations requirements may end up in high level project plans, functional specification documents, in design documents, or in other documents at various levels of detail.
在一些公司中的项目计划中没有需求规格说明书了，而以功能需求文档，设计文档或者以其他不同形式描述需求。
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。
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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