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中华预防医学会媒介生物学及控制学会蟑螂、臭虫学组第12次年会,于1990年11月21—24日在南宁召开.来自全国24个省(市)和地区133位代表出席了会议,会议收到论文
The 12th Annual Meeting of the Cockroach and Bugology Unit of the Society for Vector Biology and Control of the Chinese Society of Preventive Medicine was held in Nanning from November 21 to November 24, 1990. 133 delegates from 24 provinces (cities) and regions of China attended the meeting The conference received the paper