STEP is an international standard about data representation and exchange in the product's life cycle.
STEP是关于产品生命周期中数据表达和交换的国际标准。
It makes use of rule as its knowledge representation, and recognizing-acting cycle as interpreter mechanisms.
它以规则作为知识表示；以识别——动作循环作为解释机制。
It makes use of rule as its knowledge representation, and recognizing-acting cycle as interpreter mechanisms.
它以规则作为知识表示；以识别——动作循环作为解释机制。
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