下一步，评估已存在的各种平台。

Next, assess the various platforms that exist.

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通过模型驱动的结构(MDA)来支持已存在平台之上或者之间的soa。

Enables SOA both on and between existing platforms through model-driven architecture (MDA).

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尽管用途相同，语法也大致相同，但该语句在不同的平台和版本之间存在很大的差异。

While serving the same purpose and sharing almost the same syntax, this statement is quite different between platform and releases.

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