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2)
#199,957
きどうけいしゃかく
Meaning
    1. ①
      astronomy
      orbital inclination
    1. ①
      EN Orbital inclination is the acute (smaller) angle between a reference plane and the orbital plane or axis of direction of an object in orbit around another ob...
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3)
#325,564
せきどうけいしゃかく
Meaning
    1. ①
      astronomy
      axial tilt; obliquity
    1. ①
      EN In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between...
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