作为网格流程管理结构中用户应用对网格环境的入口，过程建模实现了对网格应用的高层描述构造。
As the entrance for the user application to the grid environment in the grid flow management structure, process modeling has implemented the high-level description of the grid application.
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.
步骤 1： 开发高层业务描述，指明解决方案中的主要业务功能。
Step 1: Develop a high-level business description that illustrates the major business functions of the proposed solution.
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