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在北京市科委北京市科协的关心和支持下,北京膜学会经过两年多的筹备,于1991年11月1日在中国科学院生态环境研究中心胜利地召开了成立大会。有近百名会员代表参加。北
Under the concern and support of Beijing Association for Science and Technology Beijing Municipal Association for Science and Technology, the Beijing Film Society held a founding victory on November 1, 1991 at the Eco-Environmental Research Center of the Chinese Academy of Sciences after more than two years of preparation. Nearly 100 member representatives attended. north