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
影片字幕
自行車如何保持向上？ (How Do Bikes Stay Up?)
03:57
- precession from the bike’s leftward lean makes the front wheel turn to the left, again
三者都在傾斜時使輪轉向，令車輪回到重心下方
- and handlebars being located in front of the steering axis, and the gyroscopic precession
但另外兩種效應不會，於是車輪在車身傾斜時會轉向另一邊
從日晷到原子鐘。宇宙是如何塑造我們對時間的理解的？ (From Sundials to Atomic Clocks: How the Universe Shapes Our Understanding of Time)
05:58
- There's movement happening; something that we call precession.
有運動在發生，我們稱之為 "衰退 "的東西。
- By the 5th century CE, Chinese scholars had figured out the whole precession problem and factored it into their calendar.
到了公元5世紀，中國學者已經弄清了整個先期問題，並將其納入曆法。
廣義相對論用7個難度級別來解釋 (General Relativity Explained in 7 Levels of Difficulty)
06:09
- verified by many many incredibly precise observations, ranging from the precession of the orbit of
很多很多精確的觀測結果都證實了這一點，從天體軌道的前傾到天體的後傾，再到天體的後傾。
- lensing and redshift of starlight, to time dilation of atomic clocks and precession of
從星光的透鏡和紅移，到原子鐘的時間膨脹，再到星光的前傾，再到星光的後退。
愛因斯坦如何看待相對論 (How Einstein Thought of the Theory of Relativity)
09:05
- He answered all the questions that Newton couldn't, like Mercury's precession.
他回答了牛頓無法回答的所有問題，比如水星的躔度。
