How many characters are there in the "Heavenly Stem", which traditionally represents the order of things in China?

The Heavenly Stem is ten characters, and the Earthly Branches are twelve characters; the Heavenly Stem and Earthly Branches are abbreviated as ? The "Stems and Branches" are abbreviated as ? The dictionary? In the dictionary, it says. The stem and the branches of the earth. The meaning of the tree is taken from the? The stem and the branches of a tree. Both of them work together in a fixed order to make up the stem and branch chronology. From the oracle bone inscriptions unearthed in Yinxu, it can be seen that the celestial stems and geomantic branches were mainly used in ancient China for dating the day, and also used for dating the month, the year and the time, and so on. After the Tang Dynasty, the year of the Heavenly Stems and Earthly Branches was mainly used for fortune-telling or divination.

Ten heavenly stems: A, B, C, D, E, F, G, C, H, N, and K; of which A, C, E, G, and N are yang stems, and B, D, F, H, and K are yin stems.

The twelve earthly branches correspond to the twelve Chinese zodiac signs? Zi: Rat; U: Ox; Yin: Tiger; D: Rabbit; Chen: Dragon; Si: Snake; K 午:马;未:羊;申:猴;酉:鸡;戌:狗;亥:猪.

The twelve branches of the Heavenly Stems and Earthly Branches: Zi, U, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Huxu, Hai. Among them, Zi, Yin, Chen, Wu, Shen, Hundred Days for the Yang branch, ugly, d, Si, Wei, You, Ohio for the Yin branch.

A: everything is dissected and out of A . B: grass and trees are newborn, the branches and leaves are soft and curved.　

C: Bing is also, such as Hercule sun, hot fire, all things are Bing burning, see and bright.

D: The grass and trees are growing strong, just like a human being's becoming a man.

E: lush, symbolizing the lush prosperity of the earth. F: rise, also, also discipline, all things suppressed and flexed to rise, have the form of discipline.

G: more also, the fall harvest and wait for the next spring. Xin: gold flavor Xin, things into a taste, Xin, Xin, new, all things change, show real new into.

Non: expectant mother, Yang Qi latent in the earth, all things pregnant.

Zi: Yield, Yang Qi began to sprout, breeding in the lower also. The first thing you need to do is to get your hands on a new one, and you'll be able to do it in a way that's easy to understand.　

C: The first month of the year, Yang Qi is moving to the yellow spring, want to go up and out, Yin is still strong. D: also, all things ventured out of the ground.　

Chen: stretch also, all things Shu stretch out.

The first thing you need to do is to get your hands on some of the most popular products and services in the world.　

The眛 is the most popular chair in the world, and the most popular chair in the world is the one with the most beautiful chair in the world.

The chair is also a chair, the sun is in the middle of the afternoon, the sun to the dark also.　

Shen: the stretching of the bundle to become, the body of all things into also. The most important thing to remember is that it is not easy to find out what is happening in the world.　

Hundred and eleventh day of the month: the end of all things.