Basic explanation:

1, the official name in charge of teaching in ancient times. Since the Qin and Han Dynasties, it has been an official in charge of discussing politics and etiquette. After Emperor Wu of the Han Dynasty, he devoted himself to teaching classics. After the Jin Dynasty, it was generally located in imperial academy or imperial academy.

2. Ancient times refers to people who specialize in a certain skill.

3. The highest degree.

Explain in detail:

1, Broadcom ancient and modern people.

"Warring States Policy Zhao Ce San": "Zheng Tong met in the north, but said" Dr. Zi Nan also. " "

"Wang Songgong's Miscellaneous Notes": "Within nine days, if you know Yingzhou and Xinzhou, there must be doctors."

2. Names of ancient scholars. There are doctors in six countries, which is why all philosophers, poets, Shu Shu and Ji Fang have doctors. When Emperor Wendi placed a doctor, Emperor Wudi placed a doctor in the Five Classics. His duty was to teach and give lectures, or to be an envoy and discuss state affairs. Dr. Shinji Koko

Dr. imperial academy, Dr. imperial academy, Dr. imperial academy, Doctor of Law, Doctor of Calligraphy and Doctor of Arithmetic are all professors in Tang Dynasty. Ming and Qing dynasties remain the same, slightly different.

Historical Records-Biography of Officials: "Dr. Lu is also a retired person, thinking that Lu Xiang."

Su Shi (Song) begged for medical treatment: "If doctors lack teaching AIDS, they should make up for them with the best."

Zheng's "Warning in a Prosperous Age —— Notes on Learning": "Today's theorists all know this. With more doctors and more students, the school will prosper a hundred times. "

Wu Han's Great Historian Sima Qian: "Sima Qian also studied under the famous scholars at that time. For example, when Kong Anguo, a descendant of Confucius, became a doctor, Sima Qian learned the ancient Chinese book Shangshu from him. "