Explore the mystery of enterprise development in China's transition period 技术董事、R&D效率与企业价值：探寻中国转型时期的企业发展之谜：Explore the mystery of enterprise development in China's transition period Empirical research on key issues of services development in China during transition period 并列题名：Empirical research on key issues of services development in China during transition period Theory of enterprise development strategy Study on the problems of Dongguan economic development in transition period