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platonic year

/pləˈtɒnɪk jɪər/

翻译: 一个古老的天文学术语,指分点沿黄道完整运行的周期,约26000年,之后天体相对于地球回到原来的位置。又称大年或柏拉图年,源于柏拉图关于宇宙周期的概念。

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/pləˈtɒnɪk jɪər/C2formalscientific已废弃
  • zh一个古老的天文学术语,指分点沿黄道完整运行的周期,约26000年,之后天体相对于地球回到原来的位置。又称大年或柏拉图年,源于柏拉图关于宇宙周期的概念。

An archaic astronomical term referring to the complete cycle of the equinoxes, approximately 26,000 years, after which the celestial bodies return to their original positions relative to the Earth. Also known as a Great Year or Platonic Year, derived from Plato's concept of cosmic cycles.

  1. Astronomical cycleC2formal

    The period of time required for the equinoxes to complete a full cycle through all the zodiac constellations, also known as the Great Year.

    zh天文学周期

    • The platonic year is estimated to last about 26,000 years.
    • Ancient astronomers studied the concept of the platonic year.
    • The precession of the equinoxes defines the length of the platonic year.