人工执行者在当业务流程被建模的时候出现，同时在模型中也会展示系统的其它方面，比如管理与安全等。

Human actors appear when business processes are modeled, and also in models showing other aspects of the system, such as management and security.

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在SOA中仍然必须重点关注的数据是，由那些代表企业过去、现在或未来状态的业务系统产生、消费和管理的数据。

The data that must remain the primary focus of attention for SOA are the data produced, consumed and managed by business systems that represent the past, present or future state of the enterprise.

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在不断变化的环境中，管理业务和IT系统可能是一项挑战。

In a climate of constant change, managing business and IT systems can be challenging.

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