在扩展类的支持下，工作流描述语言可以描述缺陷跟踪过程中需要的度量采集、通知和验证等功能。
Supported by the extended class, workflow description language can define the functions of metrics collection, notification and validation for bug track process.
网格工作流平台是实现网格计算的重要基础软件，而网格工作流描述语言则是定义和使用工作流的重要工具。
Grid workflow platform is a basic software to realize grid computing, and grid workflow language is a very important tool to define and use workflows.
在工作流系统中，对业务过程的抽象需要过程描述语言和过程建模工具的支持。
In workflow management system, process description language and process modeling tool are needed to abstract the business processes.
第四章，构造一个简单的高层次描述语言m4l，使用它描述基于多元模型的平台无关的工作流模型。
In the 4th chapter, we build a simple high-level workflow modeling language-M4L, which is used to describe the plat independent model based on multi meta-model.
第四章，构造一个简单的高层次描述语言m4l，使用它描述基于多元模型的平台无关的工作流模型。
In the 4th chapter, we build a simple high-level workflow modeling language-M4L, which is used to describe the plat independent model based on multi meta-model.
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