本文根据这两个问题得出中国学的四种视角，分别以白鸟库吉、内藤湖南、津田左右吉与竹内好为例子。
Four research perspectives on China studies in relation to these two issues are put forward , represented by Shiratori Kurakichi , Naito Konan , Tsuda Soukichi and Takeuchi Yoshimi respectively .
白鸟库吉