What does Xuan Ji mean?

The Great Biography of Shangshu said: On the first day of the first month, I finally arrived in Wen Zu, and I was in Yuheng, Xuan Ji, so I was in charge of Zheng Qi. It is said that those who are sincere are also slightly, and those who are sincere are slightly, and those who are successful are big, which is called Xuan Ji. Therefore, Xuan Ji is called the North Pole.

Now there is another product called Xuan Ji Network Computer.

Good emerald

Two stars of Beidou, such as Xuan Handle (Beidou bucket handle); Xing Xuan (star name. Beidou two stars); Xuan Shu (Xuan Shu. Star name. The big dipper has one star as its pivot and two stars as its mystery. Generally refers to the Big Dipper; Also metaphor hub, key)

A pearl that is not round.

Wen Yang and Tian Ji. -Song Wendi, yuan queen's funeral policy.

Another example: Ji Xuan (the star name in the Big Dipper). Xuan is two stars, Ji is three stars, now called "Tianji", collectively called "); Gui Heng (star name. It refers to Tianjing and Yuheng in the Big Dipper. Also used as an instrument for observing astronomy)

Ancient astronomical instruments

An ancient astronomical instrument, the armillary sphere.

Wonderful and perfect. -were Zhang Hengchuan.

The first to fourth stars of the ancient Big Dipper.