A simple operating, high reliability Movable Packing machine used in acrylic fiber product lines is designed in this paper by the means of digital and optimum design methods.
本文采用数字化设计方法和优化设计手段，研究设计了具有操作简易、高可靠性等特点的腈纶生产线移动装箱机。
Three-dimensional component packing is a combinatorial optimization and NP-complete problem. It is difficult to find its exact global optimum.
三维布局问题属于组合最优化问题和NP完全问题，在一定时间内求其精确全局最优解是相当困难的。
It provided the optimum design parameters for gravel packing sand control design in horizontal well.
为水平井砾石充填防砂设计提供了优化设计参数。
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