“产品树 (Product Tree)”选择整个依赖产品树。这种情况下，既不考虑上下文链接（上下文设计）也不考虑关系链接（零件之间），而只考虑结构链接（产品结...
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其中如何利用CAD设计数据建立反映产品组件间装配关系的产品树是其关键环节。
It is an important part as how to build the product tree reflecting the assembling relation of the components in a product, using the data having generated by CAD.
阐述了应用精细分离与精细有机合成以及化工系统工程的综合技术建设磷脂学科群，产品树的研究工作。
The study of building subject group and series products of phospholipid by the multi technology of fine separation, fine organic synthesis and systems engineering was put up.
阐述课题组，应用精细分离与精细有机合成以及化工系统工程的综合技术建设磷脂学科群、产品树的研究工作。
The study of building subject group and series products of phospholipid by the multi-technology of fine separation, fine organic synthesis and system engineering was put up.
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