试题与答案

说明空气压缩机油压低保护的动作过程是如何进行的？

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题型：问答题 简答题

题目：

说明空气压缩机油压低保护的动作过程是如何进行的？

答案：

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参考答案：回罐

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题型：单项选择题

(71) analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the (72) for designing and constructing an improved system. (73) is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called (74) 、 (75) is another such technique that integrates data and process concerns into constructs called objects.

（73）应选（）。

A．Structured analysis

B．Information Engineering

C．Discovery Prototyping

D．Object-Oriented analysis
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