乾嘉
3.The Study on the Problem of Petty Official During Yongzheng Period Qianlong Period and Jiaqing Period
4.The Academic Principle and Practices of the Han-Learning School during Qianlong and Jianqing Periods:Dai Zhen and Ruan Yuan
5.He commanded profound knowledge of astronomy, mathematics, Confucian classics, calendar calculation, geography, local gazetteer, phonology and exegesis.
6.Through the study on history of brick and stone relievo, we find out the momentous development of stone inscription in Qian-Jia period, Qing Dynasty, and some localization today.
7.Ruan Yuan was a well-known official and scholar when Qianlong, Jiaqing and Daoguang were the emperor. From August, 22 Jianqing (1817) to the summer of 6 Daoguang(1826), he was the governor of Guangdong and Guang xi province.
8.This thesis is aimed to examine the Specific subject of the tradit ional philology represented by Qianjia School and seeking the cultural implication and philo sophical inteation within its historical backgro unc from its development track and its entire characteristics.

