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为了促进我国激光全息无损检测技术的应用和发展,航空航天工业部科学技术研究院于1989年3月6日至8日在北京621所召开了“激光全息无损检测技术座谈会”。参加会议的有来自我部有关院校、研究所和工厂从事激光全息无损检测工作的专家、教授共17人,部科学技术研究院胡元凯同志丰持了会议,国家科委高技术司在李军同志应邀出席了会议621所总工程师
In order to promote the application and development of laser holographic non-destructive testing technology in our country, the Institute of Science and Technology of Aerospace Industry held a “Symposium on Non-destructive Laser Holography” at 621 Beijing, China from March 6 to March 8, 1989. There were 17 experts and professors from non-destructive testing of laser holography from relevant institutions, research institutes and factories of the Ministry of Science and Technology attended the meeting, and Comrade Hu Yuankai of the Ministry of Science and Technology held their speech. The high-tech division of the State Science and Technology Commission held a conference in Li Jun Comrades were invited to attend the meeting of 621 Chief Engineer