research on the development trend of Chinese film and television derivatives industry 影视IP授权理论与实践:中国影视衍生品产业发展态势研究:research on the development trend of Chinese film and television derivatives industry Research on the connotations of Chinese film and television culture industry 并列题名:Research on the connotations of Chinese film and television culture industry Research on the development of China's pension service industry Research on the development trends of China's exhibition industry Nual report on the development of China's film and television industry Annual report on the development of China's film and television industry Research on the development of Chinese computer industry Research on the development trend of cultural industry