英语词汇“ephemeris time”的中英文释义、用法、翻译及短语词组-英汉翻译词典

单词	ephemeris time
释义	ephemeris time 英?[i?fem?ris taim] 美?[??f?m?r?s ta?m] 释义历书时英英释义 Noun 1. (astronomy) a measure of time defined by Earth's orbital motion; terrestrial time is mean solar time corrected for the irregularities of the Earth's motions 行业词典天文学历书时???按牛顿力学定律建立的太阳历表的时间参量。其秒长在1960年至1968年曾被采用为时间的基本单位。??? 航天历书时???
随便看	gas turbine power plant gas-turbine power plant gas turbine powerplant gas turbine power station gas turbine power unit gas-turbine power unit gas turbine principles gas-turbine propulsion gas turbine pump combination gas-turbine-pump combination gas turbine pump system gas-turbine-pump system gas-turbine railcar gas turbine railcar gas turbine room gas turbine rotor gas turbines gas turbine set gasturbine ship gas-turbine ship gas turbine ship gas turbine ship (gts) gas-turbine ships gas turbine starter gas-turbine starter

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ephemeris time