用例模型可以作为新项目的参考,寻求单个交付项目生命周期之外的重用。
The use case models can be used as reference for new projects seeking re-use beyond the lifetime of a single delivery project.
公司将与国防部和主要厂商联合开发整个项目的商业案例、概念设计和整个生命周期成本模型。
The Company will work in partnership with the mod and key industry partners to develop the business case, concept design and a cost model for the whole life of the programme.
在1985年,几乎所有明确定义了软件开发生命周期(SDLC)的项目都采用了瀑布模型,如图1所示。
In 1985, almost all projects with a well-defined Software Development Lifecycle (SDLC) used the waterfall model, shown in Figure 1.
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