" iterations " are points of synchronization the team and the customer see what has been accomplished and force decisions to be made “循环”是同步的关键点（团队和客户将了解完成的任务）并强制做出决策。
2.
It is also important to retain information required to force decisions around what major reusable assets or commercial - off - the - shelf cots software to use 有一些信息需要被用来决定使用哪些可复用的主要资产或非销售（ cots ）软件，保留这些信息也是很重要的。
