The term parts per million ( ppm ) was widely used but frequently led to misinterpretation.
广泛使用百分之几 ( ppm ) 表示结果,但常常引起误解.
辞典例句
The team found levels of parts per million in tests on some paint samples from Ecuador.
这个团队发现了来自厄瓜多尔的油漆样本高达32000ppm的锌的含量.
互联网
Until this past month, the safety standard for consumer paints was 600 parts per million.
直到上个月, 消费者油漆安全用量是每百万油漆含有600的铅.
互联网
Chinese health officials have said no harm comes from consuming less than 0.63 parts per million.
中国卫生官员称,食用的三聚氰胺不超过百万分之0.63的话不会对人体构成伤害.
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