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北京大學為了纪念五四,曾於五月五、六、七日由理學院和工學院各系舉辦了科學展覽會,招待人民解放軍、郊區農民和附近工人、學生、市民參觀,向工農兵大众介紹一些基本的自然科学知識,幫助他們了解自然规律,掌握生產鬥爭的知識;更好地担負起今后經濟建设的主要任務。化學系的展览內容,主要是關於空氣、水和糧食的一些基本知識,他們还编了說明书,現在發表在這里,以便在全國範圍內傳播。
In order to commemorate the May Fourth Movement, Peking University held a scientific exhibition on May 5, 6, and 7 in various departments of the College of Science and Engineering. It hosted the People’s Liberation Army, suburban peasants and nearby workers, students, and citizens to visit and introduce the workers, peasants and soldiers. Some basic scientific knowledge of the natural sciences helps them understand the laws of nature, master the knowledge of production struggles, and better take up the major tasks of economic construction in the future. The Department of Chemistry’s exhibition mainly focused on basic knowledge of air, water, and grain. They also compiled manuals and are now published here to spread across the country.