读书摘要✂：
「ZonePhysics： Axial tilt of Planets and relative rotational speed... http://bit.ly/31fji80 」
「ZonePhysics： Axial tilt of Planets and relative rotational speed... http://bit.ly/31fji80 」
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Physics & Astronomy Zone
Axial tilt of Planets and relative rotational speed... https://t.co/awz30zgGfd