n.快速；無常
And design that process is verified ultimately by the fact that the fleetness molding technology makes. 并且通過快速成型技術(shù)使設(shè)計(jì)過程得到最終驗(yàn)證。
Thinking of his declining family, he heaves a deep sigh over the fleetness of fate. 看到他們家衰敗的樣子，他不禁喟然長嘆命運(yùn)的無常。
