一、概况经国家科委批准由六机部派六人、八机部派二人出席在日本仙台市东北工业大学召开的第98回全国讲演大会。日本铸造协会每年召开两次这样的全国性会议。这次是一九八○年秋季讲演大会,共有八百多人参加会议。人员比较广泛,有教授、科研人员和科技人员。中国是第一次应邀出席这次会议, I. General Situation Approved by the State Science and Technology Commission, six people are sent by the six machine builders and eight people are sent to attend the 98th National Lecture Conference held by Tohoku University of Technology in Sendai City, Japan. Japan Foundry Association held twice a year such a national conference. This is the autumn speech conference in 1980 with more than 800 participants. More extensive staff, professors, researchers and scientific and technological personnel. China was invited to attend this meeting for the first time,