题目：
（）analysis emphasizes the drawing of pictorial system models to document andvalidate both existing and/or proposed systems. Ultimately, the system models become the（）for designing and constructing an improved system. （）is such a technique. Theemphasis in this technique is process-centered. Systems analysts draw a series of processmodels called （）. （）is another such technique that integrates data and processconcerns into constructs called objects.
（）analysis emphasizes the drawing of pictorial system models to document andvalidate both existing and/or proposed systems
A．Prototyping
B．Accelerated
C．Model-driven
D．Iterative
答案：
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参考答案：A解析：题目来源：国调〈电力系统继电保护实用技术问答〉附录设备类型：线路难度等级：一般电压等级：220kV知识点：二次回路
