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part per billion (X10⁻⁹); parts per billion (X10⁻⁹) | |||
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part per billion (X10⁻⁹); parts per billion (X10⁻⁹) | |||
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part per billion | |||
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parts per billion (几) | |||
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parts per billion | |||
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part per billion; part per milliard | |||
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parts per billion | |||
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parts per billion | |||
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parts per billion |
十亿 分 之 : 19 phrases in 15 subjects |
Agriculture | 1 |
Air defense | 1 |
Architecture | 1 |
Automobiles | 1 |
Business | 1 |
Chemistry | 1 |
Earth sciences | 1 |
Ecology | 1 |
Electronics | 1 |
General | 2 |
Nautical | 1 |
Oil / petroleum | 2 |
Technology | 3 |
Telecommunications | 1 |
Water resources | 1 |