请确定质量检验部门的主要工作范围，请指出主要工作任务是______。

A．编制需要采购的产品原材料目录和技术要求

B．组织编制和控制质量检验的程序文件

C．开展不合格品的回收利用

D．配置和管理检测设备

E．按规定要求开展产品质量检验

The purpose of the requirements definition phase is to produce a clear, complete，consistent, and testable______of the technical requirements for the software product.
During the requirements definition phase, the requirements definition team uses an iterative process to expand a broad statement of the system requirements into a complete and detailed specification of each function that the software must perform and each______that it must meet. The starting point is usually a set of high-level requirements from the______that describe the project or problem.
In either case, the requirements definition team formulates an overall concept for the system and then defines______showing how the system win be operated, publishes the system and operations concept document, and conducts asystem concept review(SCR).
Following the SCR，the team derives______requirements for the system from the operations concept. Using structured or object-oriented analysis, the team specifies the software functions and algorithms needed to satisfy each detailedrequirement.

A．rules
B．principles
C．scenarios
D．scenes