中国真空学会(真空获得、真空冶金)第三届专业委员会联合召开的第一次学术年会,于1990年10月 22日至10月26日在沈阳隆重举行。 中国真空学会办公室、辽宁省机械工程学会、辽宁省科协、沈阳市科协以及东北工学院科协等单位领导到会表示祝贺.中国真空学会质谱与检员专委会主任查? China Vacuum Society (vacuum access, vacuum metallurgy) Third Professional Committee jointly held its first academic annual meeting, in October 22, 1990 to October 26, held in Shenyang. China Vacuum Society Office, Liaoning Province, Mechanical Engineering Society, Liaoning Provincial Association for Science and Technology, Shenyang Association for Science and Technology and Northeast Institute of Science and Technology Association and other leaders of the unit to congratulate the China Vacuum Association,