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tdt

/ˌtiː diː ˈtiː/

翻译: 地球时(TT)是一种由地球轨道运动定义的时间尺度,是天文学中使用的均匀时间尺度,大致相当于地球表面的时间。

1 个条目

noun

/ˌtiː diː ˈtiː/formalscientific缩写
  • zh地球时(TT)是一种由地球轨道运动定义的时间尺度,是天文学中使用的均匀时间尺度,大致相当于地球表面的时间。

An abbreviation for 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.

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  1. Terrestrial Dynamic TimeC2formalscientific

    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.

    zh地球动力学时

    • TDT is used in astronomical calculations to account for variations in Earth's rotation.
    • The ephemeris was computed using Terrestrial Dynamic Time.
    • Scientists rely on TDT for precise orbital predictions.