Read Edit View history 方差 fāngchā variance Origin Definitions Defs Strokes Stroke Words Sentences Sents updated sense approved 方差 · fāngchā · variance 2026/03/10 方差 fāngchā variance variance (statistics) 这组数据的方差反映了它们的波动程度。 — → noun updated sense Mar 10, 2026, 11:57 PM created sense approved 方差 · fāngchā · variance 2026/03/04 方差 fāngchā variance variance (statistics) 这组数据的方差反映了它们的波动程度。 created sense Mar 4, 2026, 02:25 AM