您需要用查询语言来提取和使用来源于合作伙伴服务的工作流程数据(例如，生产指令中要生产的产品)。

You need the query language to extract and use workflow data coming from partner services (for example, items to be produced in a production order).

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BPEL4WS中出现的整合原语主要来自于工作流和业务流程集成方面多年的经验，因此，BPEL4WS的定位是成为一种业务流程整合语言。

The composition primitives found in BPEL4WS come primarily from many years of experience in workflow and business process integration, hence its positioning as a business process composition language.

youdao

您以前可能没有见过所有这些 Ruby 特性，但是这种语言可以非常好地描述状态机工作流程。

You might not have seen all of these Ruby features before, but the language describing the state machine flows nicely.

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