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国家计量局单位制办公室主任、高级工程师李慎安同志参加了在渝召开的电离幅射计量测试学术会议后,应重庆仪表材料研究所的邀请,于3月19日到所作丁关于采用法定计量单位的学术讲座.主要讲述了单位制的
National Metrology Bureau unit system director, senior engineer Comrade Li Shen attended the ionizing radiation measurement conference held in Chongqing after the Chongqing Institute of Instrumentation Materials should be invited to March 19 to Ding on the use of legal units of measurement Academic lectures mainly on the unit system