Precession, basically is the change in the direction of earth's axis of rotation.
岁差，基本上是地球自转轴方向的改变。
The Precession of the equinoxes:what sign am I now?
春秋分点岁差：“我现在是什么星座？”
I can show you the precession in another way which is, in fact, very intriguing.
我用另一种方法展示旋进，事实上，很有趣的。
Do you really think that the precession frequency will be infinitely high? Of course not.
你们认为旋进的频率，会无限的高吗，当然不是。
Do you really think that the precession frequency will be infinitely high? Of course not.
你们认为旋进的频率，会无限的高吗，当然不是。
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