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1998年9月在纪念中国科协成立4O周年之际，中国感光学会为了向公众普及科学知识，努力提高公众的科技意识和文化素质，决定由中国感光学会和中国乐凯胶片公司共同筹备、组织、参加了1998年9月19日在北京长安街上．由中国科协统一布置和一起行动的大型科普宣传日活动。主要宣传
In 1998 September in commemoration of the 40th anniversary of the establishment of China Association for science and technology, the Chinese photosensitive Society in order to popularize scientific knowledge to the public, and strive to improve public awareness of science and technology and cultural quality, decided by the Chinese photosensitive Society and China Lucky Film Corporation jointly prepared, organized , Participated in September 19, 1998 in Beijing Chang'an Avenue. A large-scale science popularization day arranged by China Association for Science and Technology and acting together. Main publicity