中国共产党百科∣中央书记处 the Secretariat of the Central Committee

The Secretariat of the Central Committee is the working body of the Political Bureau of the Central Committee and its Standing Committee. Members of the Secretariat are nominated by the Political Bureau’s Standing Committee and must be approved at a plenary session of the Central Committee. The General Secretary of the Central Committee is responsible for convening meetings of the Political Bureau and its Standing Committee and shall preside over the work of the Secretariat.
中央书记处是中央政治局和它的常务委员会的办事机构；成员由中央政治局常务委员会提名，中央委员会全体会议通过。中央委员会总书记负责召集中央政治局会议和中央政治局常务委员会会议，并主持中央书记处的工作。