Study on the theory and practice of maritime management of ASEAN's countries Study on the theory and practice of national central city Study on the theory and practice of tort cases in question Study on the theory and practice of green development in Cuba Study on the theory and practice of technical barriers to trade Study on the theory and practice of void marriage system Study on the theory and practice of strict administration of the party 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 Research on theory and practice of management accounting