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temps atomique | |||
atomic time | |||
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atomic time |
原 子时 : 28 phrases in 12 subjects |
Aviation | 5 |
Business | 1 |
Earth sciences | 4 |
Economy | 1 |
Electronics | 1 |
General | 4 |
Geophysics | 2 |
Information technology | 1 |
Oil / petroleum | 1 |
Space | 3 |
Technology | 4 |
Telecommunications | 1 |