这种情况下不需要完整的软件开发生命周期成本分析，但是如果可能的话应关注此过程中的能力成熟度模型(CMM)。
In this scenario, a full software development lifecycle cost analysis is not required, but you should keep an eye on the capability-maturity models (CMM) of the process if you can.
如何将执行模型转换为可在典型的软件开发生命周期中重复执行的有组织有计划的工作活动呢？
How do you translate the execution model into organized and planned work activities that can be repeatedly executed in a typical software development life cycle?
从建议到部署，在分布式环境中，一些GDD模型要求软件开发工具支持整个软件或系统开发生命周期。
Some GDD models require software development tools that support the entire software or systems development lifecycle from proposal through deployment in a distributed context.
可以在整个软件开发生命周期的各个地方使用模型。
Models may be used at various places throughout the software development lifecycle.
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.
图2：软件开发生命周期的螺旋模型
Figure 2: Spiral model of the software development lifecycle
在软件开发生命周期中，逻辑数据模型（Logical Data Models，LDM）常常被忽略，但是出于多种原因，它在SOA 中的地位变得日益重要。
were frequently overlooked in the software development life cycle, but they become increasingly more important in SOA for many reasons.
图1：软件开发生命周期的瀑布模型。
图1：软件开发生命周期的瀑布模型。
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