協方差 Save Sign in to save words Simplified: 协方差 xiéfāngchā ㄒㄧㄝˊ ㄈㄤ ㄔㄚ covariance statistics Character by character 協(xié)cooperate 方(fāng)surname Fang 差(chā)difference A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0