9月24日-25日,2015全国时间频率学术会议在北京隆重召开。中国计量院、清华大学、北京大学、武汉物数所、国家授时中心、上海光机所等50多家单位的280余名专家学者前来参加了会议。为纪念原子钟60周年,航天203所冯克明所长作了大会特邀报告《北斗二代星载原子钟最新进展》。全国时间频率学术会议是我国时间频率领域规模最大、学术水平最高、科研成果最新和专业性最强的时间频率技术交流会议,每两年举办一届。203所时间频率计量室王超副主任说,以前多次参加时间频率学术会,但 September 24-25, 2015 The National Time Frequency Academic Conference was held in Beijing. More than 280 experts and scholars from more than 50 units, including China Metrology Institute, Tsinghua University, Peking University, Wuhan Institute of Physical Education, National Time Service Center, and Shanghai Optical Machinery Institute attended the conference. In commemoration of the 60th anniversary of the atomic clock, Space Flight 203 Director Feng Keming made a special report entitled “The Beidou Second Generation Spaceborne Atomic Clock Update.” The National Conference on Time and Frequency is a time and frequency technology exchange conference with the largest scale, highest academic level, latest scientific research achievements and most professional expertise in China in terms of time and frequency. It is held every two years. Wang Chao, deputy director of the 203 time frequency measurement room said that previously participated in many times the frequency of academic society, but