Iteration Model Set up the basic structure of the iteration model system,and then go through the next stage of development,refine,make more perfectly Iterative model is adopted when the requirement is not clear,and it is difficult to develop 同濟大学 TONGJI UNIVERSITY Software Testing/QinpeiZhao 2023/12/16 9Iteration Model •Set up the basic structure of the iteration model system, and then go through the next stage of development, refine, make more perfectly •Iterative model is adopted when the requirement is not clear, and it is difficult to develop Software Testing / Qinpei Zhao 2023/12/16 9