Study on the theory and practice of the new normal state of China's economy Study on the theory and practice of the standardization strategy Study on the theory and practice of tort cases in question Study on the theory and practice of national central city Study on the theory and practice of strict administration of the party The theory and practice of the new private economy 并列题名：The theory and practice of the new private economy Study on the theory and practice of green development in Cuba Study on the theory and practice of ideological and political education Study on the theory and practice of journalism in university