BPEL4WS是一种基于XML的流程组合语言，用于定义若干称为合作伙伴的服务的组合，以实现特定的业务需求。
BPEL4WS is an XML-based process-composition language used to define the composition of several services, called partners, to achieve specific business needs.
作为可执行流程的实现语言，BPEL4WS的作用是将一组现有的服务整合起来，从而定义一个新的Web服务。
As an executable process implementation language, the role of BPEL4WS is to define a new web service by composing a set of existing services.
BPEL是基于XML的工作流定义语言，业务可以使用它来描述所用的复杂的业务流程并提供Web服务。
BPEL is an XML-based workflow definition language with which businesses can describe sophisticated business processes that use and provide Web services.
还可以使用用于Web服务的业务流程执行语言(BPEL4WS)来定义组件的有效操作序列。
Business Process Execution Language for Web Services (BPEL4WS) can also be used to define the valid sequences of operations on a component.
在服务编排层，组合服务是通过编排语言(例如业务流程执行语言(Business Process ExecutionLanguage,BPEL))定义的。
In the service choreography layer, composite services are defined by means of a choreography language, such as BPEL (Business Process Execution language).
最近的趋势是定义表示可执行流模型(如用于Web服务的业务流程执行语言(Business ProcessExecution Languagefor Web Services,BPEL))的标准方法。
A recent trend is to define a standard way of representing executable flow models (for example, the Business Process Execution Language for Web Services (BPEL)).
业务流程执行语言(Business Process ExecutionLanguage, BPEL)就是这种将流程定义为一组服务调用的技术的例子。
The Business process Execution Language, or BPEL, is an example of such a technology for defining a process as a set of service invocations.
最近出现的基于Web服务的业务流程执行语言（BPEL）为定义 Web 服务的行为提供了一个高层描述语言。
The relatively recent emergence of Business Process Execution Language (BPEL) for Web services provides a higher-level description language to specify the behavior of Web services.
最近出现的基于Web服务的业务流程执行语言（BPEL）为定义 Web 服务的行为提供了一个高层描述语言。
The relatively recent emergence of Business Process Execution Language (BPEL) for Web services provides a higher-level description language to specify the behavior of Web services.
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