| 词汇 | leap second |
| 类别 | 英译汉、汉译英、英汉互译翻译词典 |
| 释义 | leap second leap second n.(名词)A second of time, as measured by an atomic clock, added to or omitted from official timekeeping systems annually to compensate for changes in the rotation of Earth.闰秒:由原子钟计量的,每年向官方的计时系统中增加或扣除的一秒时间,以补偿地球自转过程中产生的变化 |
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