- microvolt
- 百万: million a very great number; ...
- 一: one
- 伏: bend over; lie prostrate
- 百万分之一: fpir first piece inspection report; micro one millionth part; micron; mμ; one in a million; parts per million ppm; ppm part per million; ppm parts per million; ppm percent per million; volume per million
- 百万分之一、微: micro
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