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前言在举国上下热烈欢呼华国锋同志任中共中央主席、中共中央军委主席,一举粉碎“四人帮”反党集团取得伟大胜利的凯歌声中,在全国亿万军民,万炮齐轰“四人帮”而激发出来“抓革命、促生产”的社会主义积极性鼓舞推动下,我们以“只争朝夕”的精神,为“实行大地园林化”,进行了树种对二氧化硫、氯气的抗性研究试验。这次试验,是继前次(1976年4月)在长沙、株洲两地调查十三个工厂现有绿化树种生长情况的基础上进行的。工厂现场污染调查和树种生长情况调查,能在一定程度上反映现场
Foreword In the triumphant vocality of Comrade Hua Kuo-feng, chairman of the Central Committee of the Communist Party of China and chairman of the Central Military Commission of the Communist Party of China, and the smashing victory of the “gang of four” anti-Party group in all walks of life, Inspired by the socialist enthusiasm of “grasping the revolution and promoting production”, we have carried out research on the resistance of tree species to sulfur dioxide and chlorine for the purpose of “implementing the earth garden” in the spirit of “seizing every day with ease.” This experiment was conducted on the basis of the previous survey (April 1976) on the existing afforestation species in thirteen factories in Changsha and Zhuzhou. Factories on-site survey of pollution and species growth survey, to a certain extent, reflect the scene