Leaster利阿斯特聚酯纤维leastadj.最小的；最少的adv.最小地；最少地；最轻微地n.最小；最少least square inverse最小平方逆least effective dose最小有效量least-cost program最低成本计划least squar solution最小二乘解least-weight route最小权路由least transfer number最少换乘次数least-norm solution极小范数解least square modeling最小二乘法Least squares methods最小二乘法least square analysis最小平方分析