最小二乘法 zuìxiǎo'èrchéngfǎ least squares method Origin Definitions Defs Strokes Stroke Words Sentences Sents 最小二乘 zuìxiǎo'èrchéng least squares a mathematical method used in statistics to find the best-fitting curve for a set of data by minimizing the sum of the squares of the vertical deviations法 fǎ noun method method; way; mode; technique; rule of grammar