| 1. | It accounts for a large propotion in cad / cam market of shipbuilding in the world . at present , guangzhou shipyard international company limited , dalian new shipyard , dalan shipyard , mudong - zhonghua shipbulding ( group ) co . , Tribon系统也是一个集cad / cam (计算机辅助设计及制造)与mis (信息集成)于一体的专家系统。它在世界造船cad / cam市场占有很大的比重。 |