Research on identification of ancient editions from the perspective of oral history Research on identity of Chinese television from the perspective of mass culture Research on ventilation efficiency from the perspective of urban design Research on ideological and political education from the perspective of rule of law Research on information preference from the perspective of matching Research on the crime of extortion from the perspective of norm theory Research on the evolution of state functions from the perspective of Marxist economics Research on international currency from the perspective of safe assets Research on internationalization speed of Chinese enterprises from the perspective of behavioral strategy Research on new-type urbanization from the perspective of sociology