Xinhua News Agency, Beijing, October 25 -- The Political Bureau of the 20th CPC Central Committee held a meeting on October 25 to study, deploy, study, publicize and implement the spirit of the 20th CPC National Congress, review the "Several Provisions of the Political Bureau of the CPC Central Committee on Strengthening and Maintaining the Centralized and Unified Leadership of the CPC Central Committee" and the "Detailed Rules for the Implementation of the Eight Provisions of the CPC Central Committee"