astronomical ephemeris, astronomical almanac
[测绘学英汉词典]
astronomical ephemeris, astronomical almanac天文年历
刊登天体位置和天象及有关数据的一种定期出版物。
是什么意思,astronomical ephemeris, astronomical almanac的解释,astronomical ephemeris, astronomical almanac的翻译
astronomical ephemeris, astronomical almanac
[测绘学英汉词典]
astronomical ephemeris, astronomical almanac是什么意思,astronomical ephemeris, astronomical almanac的解释,astronomical ephemeris, astronomical almanac的翻译