当不同的应用程序服务器供应商预览这个规范时，他们发现这不是表示关系的最优方法。
When the specification was previewed by different application server vendors, they discovered that this wasn't an optimal way to represent relationships.
通过技术实现后，“服务”这一术语则应用到使用外化规范的软件资源（可发现的）。
When realized through technology, the term service applies to a software resource (discoverable) with an externalized specification.
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