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 factor cost生产要素的最低成本least square line最小二乘直线least overlapping最小迭加least energy cost最少能量消耗least upper bound最小上界,上确界leastcost routing最低成本路径选择法least-cost path最少开销路径Least - squares最小二乘法least squares fit最小二乘法拟合least-expensive花费最少的