0.3%ppm等于多少小数点ppm?

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0.3%ppm等于多少小数点ppm?
0.3%ppm等于多少小数点ppm?

0.3%ppm等于多少小数点ppm?
=0.003ppm

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10000个制品，出现12个不良品，则不良率是12/10000=0.12% 12/10000=0.12%=1200/1000000 ∴又等于多少1200PPM

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