This article mainly elaborate how to enhanced the hoist crane design level, proposed the bridge type hoist crane parameterization model establishment as well as the realization.
文章主要论述了如何提高起重机的设计水平，提出了桥式起重机的参数化模型的建立以及实现。
Based on an analysis of interoperability support, a universal design method of IED model is given, and problems in realization of bay level IED model are discussed.
从互操作性支持条件分析出发，给出了IED模型通用设计方法，讨论了间隔层ied的模型实现。
By analyzing the process decomposition of complex product, the bi-level dynamic programming model is setup, and realization method is given.
针对复杂产品设计过程动态分解问题，本文提出了一个基于任务期限的两层动态规划模型，并研究了模型的实现方法与技术。
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