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拼音：chún dù
注 音：ㄔㄨㄣˊ ㄉㄨˋ
繁体字：
◎ 纯度 chúndù[purity] 物质含杂质的程度。杂质愈少,纯度愈高黄金的纯度
1.fineness; pureness; purity; purity quotient; rate of purity
