求翻译：第四部分论述的主要内容是对陈训正方志学探讨。在方志学上的实践的论述上主要介绍的是由陈训正主修的民国《定海县志》和民国《鄞县通志》，而分析陈训正方志学思想主要依据的是在纂写《鄞县通志》中陈训正所体现的方志学思想。是什么意思？

Part IV discusses the main contents of the training is Fangzhi study of Chen. Practice in Fangzhi discussion on the study focuses on the training by Chen's Republic of China is majoring in "Dinghai County" and the Republic of "Yin Annals", the analysis is Fang Zhi Xun Chen is mainly based on Thought

Part 4 of the exposition is the main content of Chen Chi-parties are being explored. In the study, the expositions on the practice of the main presentation by Mr CHAN Institute are majoring in the Republic of Korea and the Dinghai county annals of the Alnico, Chen, while the analysis of Kuozhou Fong

The fourth part of elaboration primary coverage is teaches to Chen sets one's mind on study the discussion square.Sets one's mind on study on in the side in the practice elaboration the main introduction is Republic of China which majors in by Chen Xunzheng "the Dinghai County annals" "Yin County Co

Part IV discusses the main content of the discussion on Chen Xun Gazetteer study. On the difangzhi Exposition is focuses on the practice by Chen Xun was major in the Dinghai County records, the Republic of China and the Republic of China of the Yin County General Annals, Chen Xun Gazetteer study tho

Part IV discusses the main content of the discussion on Chen Xun Gazetteer study. On the difangzhi Exposition is focuses on the practice by Chen Xun was major in the Dinghai County records, the Republic of China and the Republic of China of the Yin County General Annals, Chen Xun Gazetteer study tho