Bet365 lotto review Scholars of which country's nationality，As long as it is considered to have achieved "cutting -edge results"，It means that it has promoted a certain research in the international academic community to be more cutting -edge than his predecessors、More deeper realm，Not just reflect the academic frontier of a certain country。It can be said in this sense: academic no borders。Is it enough to be "cutting -edge"? What is the test sign?，The recognition of colleagues from academic circles at home and abroad。

　　Keywords:Modern History of China  Academic Frontier  Evaluation Standards

Author Niu Dadong，Professor of History at Peking University (Beijing  100871）。