requirements specification

基本解释

In 1985, requirements specification was part of analysis, which was the basis for design.
在 1985 年，需求说明书是作为设计基础的分析的一部分。
The software requirements specification (SRS) is one of the oldest requirements gathering processes.
软件需求规范（SRS）是最古老的需求收集过程之一。
This entails defining a set of questions and activities that will be applicable across many requirements specification documents, and be understandable to the readers of the specifications.
这将可以定义一套可以跨越许多需求规范文件的问题和行为，对于这些规范的读者来说也是可以理解的。

需求规格
Requirements Engineering (RE) is a branch of Software Engineering, whose activities involve requirements elicitation, requirements analysis, requirements specification, requirements validation and requirements management.
需求工程是软件工程的一个分支，其活动包括需求获取、需求分析、需求规格说明、需求验证和需求管理。
需求说明书