waterfall model造句

1、Chapter 2: Why the Waterfall Model Doesn't work.
第2章为什么瀑布模型会失效？

2、A simplified spiral model is as a waterfall model with each phase preceded by risk analysis.
一个单一化的螺旋模型可以被看作每个阶段前都带有风险分析的瀑布模型。

3、Due to the waterfall model features, a lot of problems in the final will be exposed.
由于瀑布模型的特点(文档是主体)，很多的问题在最后才会暴露出来。