Parameterized model technology can control the relationship between design elements and renew the change of model and engineering drawing automatically.
参数化几何造型可以控制设计元素之间的关系，并且自动更新对模型和工程图所作的修改。
In this paper, the status quo of industrial clusters and related literature are researched and summarized, and the elements of industrial clusters has been renew defined.
本文对产业集群现状和相关文献进行了研究与汇总，并对产业集群构成因素进行了重新界定。
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