P MO的一个主要角色是持续地评定现在进行的工作是否正常，保证中间的交付成果与整体程序目标是一致的。
A major role for the PMO is to continuously assess whether the ongoing work effort is on track and the interim deliverables and results are consistent with the overall program goals.
自顶向下方法考虑由企业SOA中间件应用程序组成的应用程序的目标。
The top-down approach considers the goal of an application that comprises the enterprise SOA middleware application.
主要目标是尽可能让应用程序不知道网格中间件的存在。
A major objective is to have the application as middleware agnostic as possible.
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