1981年12月16日至19日,四机部1409所在四川绵阳市召开了第七次科研成果鉴定会议。大会邀请了上级领导机关和有关单位二十余家,共三十多人参加。1409所总工程师张熙高级工程师担任鉴定委员会主任。大会一致通过了12项成果鉴定报告(内容见本期科研成果简介)。 From December 16th to 19th, 1981, the 4th Division 1409 was located in Mianyang City, Sichuan Province, where it held the seventh scientific research achievement appraisal meeting. The General Assembly invited more than 20 leading bodies and relevant units to participate in the conference. 1409 chief engineer Zhang Xi senior engineer as director of the appraisal committee. The conference unanimously passed 12 results appraisal reports (see the summary of scientific research results in the current period).