在近现代中日关系史领域中 ,对于近代中国人通过日本学习西方 ,以及日本发动侵华战争和中国人民抗日战争的历史 ,都有较深入的研究 ,而对于 2 0世纪 2 0至 3 0年代中日关系的研究 ,则显得相对薄弱。日本钏路公立大学教授原充博士的近著《中国的经济建设与日中关系———对日 In the modern history of Sino-Japanese relations, there is a more in-depth study on the history of modern Chinese studying Japan through Japan and Japan’s war of aggression against China and the Chinese People’s War of Resistance Against Japan. For the period from 20 to 30 in the 20th century The study of the relations between China and Japan in the era seemed relatively weak. Japanese Kushiro public university professor Dr. Yu Yuanchong recent "China’s economic construction and Japan-China relations --- Japan