并列题名：Vulnerable mentality in social transition period Vulnerable mentality in social transition period 并列题名：Research on emergency communication in social transition period Research on emergency communication in social transition period 并列题名：Literary reflection of the transitional period the major events in post transition period 并列题名：Enterprise labor relations of China in transition period 并列题名：Study on China's employment quality in transition period 并列题名：Cooperative governance of commons in the transition period 并列题名：Analysis of the spirit-misled phenomena in social transformation period