纯度

纯度 [chún dù]

1. ■ fineness; pureness; purity; purity quotient; rate of purity:

保持适当的空气纯度 maintain proper air purity

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常用词组

1. ■ 纯度百分率 percentage purity;

2. ■ 纯度标准 purity rubric;

3. ■ 纯度试验 purity test