What is the unit of quantity greater than 100 million?

Mega, zh ao. As a unit, in ancient China, the digital unit was "trillion". One hundred million, trillion is trillion, and ten trillion is Beijing.

The boundary of an altar or cemetery. Children's Nian (sound: zhào), Ouyang Bo and Epitaph In November of four years, Jia Zi buried the official symbol of loyalty in Liu Village, Jing Xian Township, Xinzheng County, Zhengzhou, and asked for an inscription. "The omen of Wen Gong is Ouyang Xiu's graveyard.

Dabu is an important book describing the ritual system and official position in the Zhou Dynasty, and it is an important official position specializing in the study of the royal department. When Emperor Hanming was in the Eastern Han Dynasty, there was an old man, Du Zichun, who was nearly ninety years old. He was said to be a disciple of Liu Xin, a great scholar in the late Western Han Dynasty. He knows Zhou Li very well. Zheng Xuan, a great scholar, studied the Book of Rites with him.

Regarding the situation of three signs, Zheng Xuan quoted Du Zichun as saying: "Jade signs are signs of emperor Zhuan Xu; Wazhao, the sign of Emperor Yao; The original omen, Zhou's omen. " In the Tang Dynasty, Jia wrote in Zhou Li Shu: "Now it's time to say how did you know that you were afraid to ask?" I don't know if it is a special source or a fabrication.