北京5月20日,国家质检总局会同有关部门在北京会议中心组织开展了“世界计量日”系列宣传活动。来自国务院有关部委、中央企业的有关领导及航天、公安、邮政等各界代表参加了活动。《世界计量日》纪念邮票首发式成为活动的重头戏。(黄勇)西藏5月20日世界计量日,西藏自治区集邮公司在拉萨举行了《世界计量日》邮票首发式。西藏邮政相关单位领导参加了首发活动。仪式上,区集邮公司总经理杜学鹏、区质量技 Beijing On May 20, AQSIQ and other relevant departments organized a series of publicity campaigns on “World Metrology Day” at the Beijing Conference Center. Relevant leaders from relevant ministries and commissions of the State Council and central enterprises as well as representatives from various fields including the aerospace, public security and postal services attended the event. “World Metrology Day” commemorative stamp starter became the highlight of the event. (Huang Yong) Tibet May 20 World Metrology Day, the Tibet Autonomous Region Philatelic Corporation held the stamp of “World Metrology Day” in Lhasa. Leaders of relevant units of Tibet Post participated in the first activity. Ceremony, the district Philatelic Corporation Du Xuepeng, general manager of district quality technology