| 词汇 | ephemeris time |
| 类别 | 英译汉、汉译英、英汉互译翻译词典 |
| 释义 | ephemeris time ephemeris time n.(名词)A highly accurate astronomical system for the measurement of time based on the period of Earth's orbit, but in practice relying on lunar observations and an accurate lunar ephemeris.历书时:一套计量时间的极端精确的天文学系统,它通常基于地球的公转轨道, 但在实践中依据对月球观测和一个精确的月球星历表 |
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