单词	least squares
释义	least squares plural noun : a method of fitting a curve to a set of points representing statistical data in such a way that the sum of the squares of the distances of the points from the curve is a minimum Word History First Known Use 1825, in the meaning defined above
随便看	headreach headreached headreaches headreaching headrest headrests headrig headright headring headrings headroom headrooms headrope headropes heads heads are going to roll heads off heads or tails heads will roll heads-up heads-up display heads-up displays heads-ups headsail headsails

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