leastestn.极少量leastadj.最小的；最少的adv.最小地；最少地；最轻微地n.最小；最少least significant byte最低有效字节least.squares method最小二乘法least square equations最小二乘方程式least wetted perimeter最小湿周边least permeable medium低渗透介质least energy principle省能原则least number principle最小数原则least count of vernier游标最小读数least square principle最小平方原理least group congruence最小群同余