状态评估是建立在操纵员与系统及环境之间紧密交互基础之上的动态认知过程，其核心认知成分是推理。
Situation assessment is a dynamic cognitive process which is built on the close interaction between operators and systems. Its dominant component is reasoning.
讨论了基于实例推理的难加工材料数据库系统的工作流程及建立过程。
The workflow and establishment of database system based on CBR is discussed.
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