在开发一个系统时，如果用户对系统的目标是不很清楚，难以定义需求，这时最好使用()。
- A.原型法
- B.瀑布模型
- C.V-模型
- D.螺旋模型
正确答案及解析
正确答案
解析
应用原型法的主要目的就是获取需求，使用原型法，在用户的共同参与下可以改善和加快需求获取过程。
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- A.sensor
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- A.low-level
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