- 協方差傳播律
- variance: n. 1.變化，變動，變更；變度，變量；【統計】(平)方 ...
- at variance: 有分歧, 不和
- at variance with: 與...有分歧, 與...不和, 與...不符
- variance: n. 1.變化，變動，變更；變度，變量；【統計】(平)方(偏)差。 2.(意見等的)相異；不和，沖突，爭論。 3.【法律】訴狀和供詞的不符。 at variance with 和…不和；和…不符 (at variance with the facts 不符事實。His conduct is at variance with his words. 他言行不符)。 set at variance 使不睦，離間。
- variance with: 和不和
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