Just as the previous answer-"China used the chronology method of cadres and branches in ancient times".
The number of heavenly stems is ten: A, B, C, D, E, Ji, G, Xin, Man and Ghost.
Twelve branches: Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu and Hai.
The chronology of the main branch is Jiazi, Ugly B ... and so on. Sixty years is a cycle, and such sixty years are called Jiazi:
/AA/nianbao/002 . htm
But I think what the landlord asked is the meaning of the twelve branches, as follows:
Son: Reproduction, Yang begins to sprout, and it reproduces in the next place.
Ugly: new york, cold and self-defeating.
Yin: patella also, yang will appear soon, and the patella with strong yang will play a role.
Mao: Everything comes out of the ground.
Chen: When you stretch, everything stretches.
S: Yes, the yang is gone.
Noon: Oh, yes, Yin and Yang are in harmony.
No: withered, sunny, sunny and quiet.
Shen: If you want to succeed, everything will succeed.
Unitary: Just like that, everything is mature.
Hey: destruction, everything will be destroyed.
Sea: Nuclear is also a collection of all things, and it is also strong.
With the meaning of heavenly stems:
A: Just like plants emerge from the ground, the yang is inside and the yin is outside.
B: The vegetation is budding, the branches and leaves are soft and buckled.
C: Ice leaves are like the bright sun, burning with flames. Everything is burning, and it lights up when you see it.
D: Plants grow strong, just like people grow into adults.
E: lush, symbolizing the lush and prosperous vegetation of the earth.
Himself: It is also a kind of discipline. Everything is restrained and can be self-disciplined.
G: What's more, autumn harvest is waiting for spring.
Xin: Jin weixin, don't have a taste when it's over. If you are innovative, everything will change with awe and the program will be completely new.
Ren: pregnant, everything is pregnant in the hidden place of yang.
Yes, everything is hidden, pregnant and underground, but it is budding.