Empirical study on the transformation of the development made of China's aerospace industry An empirical study on the transformation of the development made of China's aerospace industry A study on the value orientation of the development of China's cultural industry Empirical study on development of China's media industry Empirical evaluation and policy-making of the opening-up of China's seed industry A study of the transformation of government's roles in the development of China's tourism industry An empirical study on development of China's media industry Empirical study on the reform of commutation and parole system Empirical study on the reform of criminal pretrial procedure Empirical study on the revitalization of the former central soviet area