中国真空学会真空测量与校准专业委员会第三届委员扩大会议于1990年10月14—16日在云南省昆明市召开。参加这次会议的有真空测量与校准专业委员会的全体委员和部分长期从事国防计量的同志,会议代表共三十二人。大会收到中国真空学会理事长华中一教授的贺电以及兄弟专业委员会的贺信等。会议开得很成功,达到了预期目的。大会由专委会主任李旺奎研究员主持,他回顾了专业委员会近几年的工作,并对今后的 China Vacuum Society of vacuum measurement and calibration of the Third Committee members enlarged meeting in October 1990 October 14-16 held in Kunming, Yunnan Province. All the members of the Professional Committee of Vacuum Measurement and Calibration and some of the gay representatives and conference representatives who have long been engaged in the measurement of national defense participated in the conference. A total of 32 participants attended the conference. The congress received a message of congratulation from Professor Huazhongyi, chairman of China Vacuum Society, and a letter of congratulation from Brother Professional Committee. The meeting was very successful and achieved its intended purpose. The conference was presided over by Professor Li Wangkui, director of the special committee. He reviewed the work done by professional committees in recent years,