单词：least-squares
least-squares的用法和样例：
例句
- One way to construct this line is by least square, weighting all points equally.办法之一是给予所有的点子以相等的权用最小二乘方法来画这条线。
- In this paper, Two Different Concepts for the Recursion of Least Square Estimation is Introduced.本文阐述了两类不同概念的递推最小二乘估计。
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