[网络] 区别 differenced: vt. 辨别, 区分(difference的过去式与过去分词形式) difference-operator table: [数] 差分算子表 differenced measurement: 差异量测 difference-of-squares: [网络] 平方差公式;我们知道平方差 differencein condition policy: 条件补足保单,条件差异保单 下载手机词典可随时随地查词查翻译