The ability to define a business service that can be realized through a composition of one or more IT services raises the level of abstraction of reuse - one of the main advantages of SOA.

通过组装一个或多个IT服务来定义业务服务的能力提升了重用的抽象层次，这是SOA的主要优势之一。

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Such process-based composition languages lack the ability to use business rules managed by different business rules engines in the composition process.

然而，这种基于流程的合成语言缺乏在合成过程中使用由不同的业务规则引擎管理的业务规则的能力。

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The owners profit ratio reflects the earning profit ability, operating efficiency and capital composition of the business.

权益报酬率反映了企业的盈利能力、营运能力和资本结构特征。

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