选择性使用和布局调质结构钢获得了极优的耐磨性和强度。
Selective use and placement of quench and tempered construction steels provide excellent wear and strength properties.
成膜透明、光泽好、非常坚韧，耐磨耐刮擦性好，不回粘，而且有优秀的耐寒性，极优的耐光性和耐黄变。
The film is transparent, glossy, very flexible, abrasion-resisting and scratch-resisting, contains no after-tack, and is excellent in resisting cold, light and yellow stain.
本文介绍了粒子群优化算法的基本原理，并通过建立记忆表，详尽描述了粒子群优化算法中个体极优和全局极优的搜寻求解过程。
This paper reviews the basic theory, and describes the seeking procedure of the personal best and the global best in PSO through establishing memory table.
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