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问题 单项选择题 案例分析题

桥涵抗滑动稳定性验算。

某桥墩两片梁自重压力分别为P1=140kN，P2=120kN，车辆荷载产生的竖向压力P=200kN，桥墩自重P3=120kN，水平力T=90kN，如图3.5.2.1所示，地基土为硬塑黏土，则抗滑稳定系数为（）。

A.1.42

B.1.93

C.1.56

D.1.38

答案

参考答案：B

单项选择题

The purpose of the requirements definition phase is to produce a clear, complete, consistent, and testable（1） 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（2） that it must meet. The starting point is usually a set of high-level requirements from the（3）that describe the project or problem.

In either case, the requirements definition team formulates an overall concept for the system and the defines （4）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 （5） 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.

（5）处填（）

A. detailed

B. outlined

C. total

D. complete
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单项选择题 A1/A2型题

“范金揉木，逐欲之道方滋”中的“范”意思是（）

A.规范

B.用模型铸造

C.像模型一样

D.铸造器物的模子

E.用模型
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