短語詞組短語exchangeability theorem 可替換性定理exchangeability ion 可交換離子partial exchangeability 部分可換性non exchangeability 非交換性weak exchangeability 弱可交換性exchangeability conditions 可交換條件size exchangeability 尺寸互換All Exchangeability 全流通Good Exchangeability 互換性好 返回 exchangeability