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.

youdao

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.

youdao

使用这一工具设计的模型可以以至少三种格式导出：业务流程执行语言(BPEL)、统一建模语言(uml) 2.0和XML模式定义(XSD)。

The models designed using this tool can be exported in at least three formats: Business Process Execution Language (BPEL), Unified Modeling Language (UML) 2.0, and XML Schema Definition (XSD).

youdao