Unlike traditional distributed object systems, in BPELWS instances are not created via a factory pattern.
与传统的分布式对象系统不同，BPEL4WS 实例不是通过工厂模式创建的。
In order to demonstrate how activities may be created and aggregated with BPELWS, I will describe a simple example that processes loan requests.
为了演示怎样用BPELWS创建和聚集活动，我将描述一个处理贷款请求的简单示例。
Support for BPELWS provides a standards-based approach for describing business workflows, and ensures a measure of interoperability among workflow execution engines.
对BPELWS的支持提供了描述业务工作流的基于标准的方法，并且确保了工作流执行引擎间的互操作性的方法。
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