Using the virtual product development technology, the dynamic performance of CAM mechanism of rapier loom is analyzed.
运用虚拟产品开发技术，分析了剑杆织机凸轮引纬机构的动态性能。
The key technique of virtual product development is how to obtain knowledge models from reality, to knowledge classification, express, to build knowledge base and knowledge models effectively.
虚拟产品设计的关键技术是如何从现实中提取产品知识信息的模型，对知识进行分类和表达，有效地建立知识信息库和知识模型。
The key technique of virtual product development is how to obtain knowledge models from reality, to knowledge classification, express, to build knowledge base and knowledge models effectively.
虚拟产品设计的关键技术是如何从现实中提取产品知识信息的模型，对知识进行分类和表达，有效地建立知识信息库和知识模型。
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