Eight paradigms of action research in the new century 并列题名：Eight paradigms of action research in the new century Foreign party politics research in the 21st century Enabling ocean research in the 21st century 并列题名：Enabling ocean research in the 21st century a new paradigm of legal research in China 并列题名：Foreign party politics research in the 21st century A series of scientific hotspots in the new century Development of mass media in the new century Food safety collaboration regulation in the new century