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【法新社华盛顿1979年9月10日电】据西方伊利诺斯大学研究人员今日称,消灭蚊子不必用价格昂贵的化学剂,用廉价的细菌即可。
(AFP, Washington, September 10, 1979) According to researchers at the University of Illinois at the University of Wisconsin, today, it is not necessary to use expensive chemicals to kill mosquitoes and use cheap bacteria.