Process knowledge expression, obtain, management technology, inference control strategy, explanation mechanism, and the application of they are used in CAPP system are introduced.
介绍了工艺知识表达、获取和管理技术，以及推理控制策略、解释机制，及其在CAPP系统中的应用。
And in expert system, displays in all kinds of diagnosis knowledge acquisition and the expression of the organization.
而在专家系统中，则表现在各类诊断知识的获取和组织表达上。
Knowledge expression model is one of the kernel parts in the Virtual Environment Railway Location System.
知识表达模式是虚拟环境选线设计系统实现智能功能的关键部分。
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