Read Edit View history 中心矩 zhōngxīnjǔ central moment Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 中心矩 · zhōngxīnjǔ · central moment 2026/03/04 中心矩 zhōngxīnjǔ central moment (statistics) central moment 二阶中心矩在统计学中被称为方差。 created sense Mar 4, 2026, 02:25 AM