precession
US /prɪ'seʃən/
・UK /prɪ'seʃən/
C2 高級
n.名詞先前；優先；歲差
The dancing partners span in a precession around each other
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廣義相對論七級難度詳解！🤯 (General Relativity Explained in 7 Levels of Difficulty)
- For our 3+1-dimensional universe, the predictions generated by this idea have been experimentally verified by many, many incredibly precise observations - ranging from the slight drift of the Moon's orbit away from the Earth, to the precession of the orbit of Mercury, to the gravitational lensing and redshift of starlight, to time dilation of atomic clocks and precession of gyroscopes orbiting the Earth, to observations of the cosmic microwave background radiation, to gravitational wave detections of black hole mergers, to direct imaging of the black hole at the center of the Milky Way.
對於我們這個 3+1 維度的宇宙，這個概念所產生的預測，已經被許多、許多極其精確的觀測實驗所驗證——從月球軌道稍微偏離地球，到水星軌道的進動，到星光的重力透鏡效應和紅移，到繞地球軌道的原子鐘的時間膨脹和陀螺儀的進動，到對宇宙微波背景輻射的觀測，到對黑洞合併的重力波探測，再到對銀河系中心黑洞的直接成像。
- For our 3+1-dimensional universe, the predictions generated by this idea have been experimentally verified by many, many incredibly precise observations - ranging from the slight drift of the Moon's orbit away from the Earth, to the precession of the orbit of Mercury, to the gravitational lensing and redshift of starlight, to time dilation of atomic clocks and precession of gyroscopes orbiting the Earth, to observations of the cosmic microwave background radiation, to gravitational wave detections of black hole mergers, to direct imaging of the black hole at the center of the Milky Way.
對於我們這個 3+1 維度的宇宙，這個概念所產生的預測，已經被許多、許多極其精確的觀測實驗所驗證——從月球軌道稍微偏離地球，到水星軌道的進動，到星光的重力透鏡效應和紅移，到繞地球軌道的原子鐘的時間膨脹和陀螺儀的進動，到對宇宙微波背景輻射的觀測，到對黑洞合併的重力波探測，再到對銀河系中心黑洞的直接成像。
![2012 - 諾姆·喬姆斯基 與 Anonymous 聯手！[RAP NEWS X] (2012 - with Noam Chomsky & Anonymous [RAP NEWS X])](https://img.youtube.com/vi/j-rxe9Ayb8c/hqdefault.jpg)
炎熱的撒哈拉沙漠也曾綠意盎然？看看非洲聯盟的綠色長城計畫將如何讓它再次綠化！（The Sahara Desert Used to Look Like This…And May Again）
- Over thousands of years, the intensity of the monsoon is affected by a slow wobble in the Earth’s orbit known as precession, which strengthens solar radiation in the summer, driving moist air inland.
在接下來的數千年間，季風的強度受到地球軌道緩慢擺動（亦即前移）的影響，進而加強了夏季太陽輻射，促使溼潤空氣進入內陸。