艾滋病病人出现神经系统症状者可达30%~70%。其中不包括()
A.脑弓形虫病
B.格林-巴利综合征
C.脑囊虫病
D.艾滋病痴呆综合征
E.转移性淋巴瘤
参考答案:C
下述哪种情况必须同时具有事故照片和车架号拓印件()
A、倾覆车
B、火烧车
C、三者车超过2辆
D、委托查勘
The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable (87) 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 (88) that it must meet. The starting point is usually a set of high-level requirements from the (89) that describe the project or problem. In either case, the requirements definition team formulates an overall concept for the system and the defines (90) showing how the system will be operated, publishes the system and operation concept documents, and conducts a system concept review (SCR). Following the SCR, the team derives (91) requirements for the system from the highlevel requirements and the system operations concept. Using structured or object-oriented analysis,the team specifies the software functions and algorithms needed to satisfy each detailed requirements.
A. function B. definition C. specificationD. statement