“astronomical time”的概念、定义、翻译、参考文献-科学参考

单词	astronomical time
释义	astronomical time Encyclopedia 工学时标释 astronomical time天文时基于地球自转和地球绕太阳的轨道运动而制定的时标。 Astronomy astronomical time天文时
随便看	background fluctuation background fog background galaxy background galaxy cluster background glow backgrounding background intensity background investigation background limited detectivity background mass spectrum background mathematics background mode background monitoring background music background noise background-noise level background optical and electromagnetic characteristic background projection process background radiation background radiation intensity background radio radiation background rejection background source background source function background star

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