Based on object oriented idea, ordered management of static product structure and dynamic design flow for series plastic box packing machine is achieved.
应用面向对象的技术思想，实现对系列化塑盒体包装机的静态产品结构与动态设计流程的有序管理。
During the past decade advances in computerisation have resulted in major changes in space structure design, and int he analysis of their stability and plastic behaviour.
过去十年中运用计算机方面的进步，使空间结构在设计、稳定分析以及塑性性能等方面都有了很大的变化。
The optimum programme can be used to design four-connecting lever pneumatic roof-window mechanism of all kinds of multi-span plastic greenhouses by changing load and structure parameters.
通过改变载荷参数和结构参数，优化模型可用于其它塑料温室的气动四连杆天窗机构的设计。
应用推荐