本文中的示例遵循自顶向下的方法。
图2：自顶向下和自底向上的评估。
Figure 2: Illustration of bottom-up and top-down estimation.
自顶向下分析(通过流程建模)。
自顶向下方法，称为域分解。
构建架构是自顶向下而不是自底向上的。
自顶向下方法的缺点包括。
这称为 自顶向下方式。
这被认为是框架或者自顶向下方案。
访问自顶向下应用程序开发特性。
这称为自顶向下方式。
支持自顶向下、中间相遇和自底向上的开发。
Support for top-down, meet-in-the-middle, and bottom-up development.
自顶向下的管理支持不应该与铺展过程相混淆。
The top-down management support should not be confused with the rollout approach.
这被认为是自顶向下或者框架的方案。
他们也认同自顶向下的方法需要更多业务的介入。
They also agree the top-down approach requires much more business involvement.
现在，让我们从逻辑的角度来研究自顶向下方法。
Now, let's take a look at the top-down approach from a logical perspective.
随后自顶向下地提取本查询的最终结果。
The final results of the query are then pulled from the top.
自顶向下方法的优点包括。
使用自顶向下方法开发“Print”Web服务。
Developing the "Print" web service using the top-down approach.
您也可以在自顶向下或自底向上方法中嵌入旁路方法。
You could also embed the sideway approach within the top-down or bottom-up approach.
自顶向下的方法就是在单个项目阶段中实现数据仓库。
The top-down approach is to implement the data warehouse in a single project phase.
如果过程化编程是自顶向下的，事件编程是自底向上。
If procedural programming is top-down, event programming is bottom-up.
它与自顶向下方法的差别并不大——但起点差异很大。
It's not that much different from the top-down approach — but the starting point is very different.
自顶向下——业务层。
业务架构模型和业务过程模型都是自顶向下方法的一部分。
The business architecture model and the business process model are both part of the top-down approach.
然而，很少有体系架构是完完全全的自顶向下的。
However, it is rare for an architecture to be totally driven from the top down.
“将来”的流程模型构成了自顶向下的流程分解技术的基础。
The to-be process models form the basis of the top-down process decomposition technique.
在自顶向下视图中，业务用例的蓝图提供了业务服务的规范。
In the top-down view, a blueprint of business use cases provides the specification for business services.
服务组件提供与业务保持一致的服务接口——自顶向下方法。
A service component provides the service interfaces that are aligned to the business-a top-down approach.
自顶向下的实现需要在项目开始时完成更多计划和设计工作。
A top-down implementation requires more planning and design work to be completed at the beginning of the project.
明显的是，纯粹的自顶向下的方法在此场景中也是不理想的。
Clearly, a purely top-down approach is not ideal in this scenario.
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