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1983年1月5日至9日,全省混交林研究协作会在枣庄召开,这是混交林研究的第三次协作会议。到会代表共36人,包
January 5, 1983 to 9, the province of mixed forest research collaboration held in Zaozhuang, this is the third collaborative conference on mixed forest research. A total of 36 delegates to the package