leastone层状砂岩leastadj.最小的；最少的adv.最小地；最少地；最轻微地n.最小；最少least recently used memory最近最少使用的内存least-square correlation最小二乘方相关least - square estimator最小二乘估计least-squares prediction最小二乘预测least significant position最低有效位leastsquare identification最小二乘辨识Least-sauares estimation最小二乘估计least squqre approximation最小二乘近似Least squares optimization方差最小化least square curve fitting最小二乘曲线拟合