| 单词 | international atomic time |
| 释义 | International Atomic Time in British Englishnoun the scientific standard of time based on the SI unit, the second, used by means of atomic clocks and satellites to synchronize the time standards of the major nations Abbreviation: TAIinternational atomic time in American Englishnoun a system of measuring time based on atomic clocks that measure the second as defined as the SI unit of time Abbreviation: IAT |
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