到了1993年,錢學森再度進行計算,得出的結論是糧粒“理想最高年畝產是32-53噸”,遠遠高於他在1958年所計算的畝產四萬斤的數字。
http://news.ifeng.com/history/zhongguoxiandaishi/detail_2011_03/09/5047998_7.shtml
到了1993年,錢學森再度進行計算,得出的結論是糧粒“理想最高年畝產是32-53噸”,遠遠高於他在1958年所計算的畝產四萬斤的數字。
http://news.ifeng.com/history/zhongguoxiandaishi/detail_2011_03/09/5047998_7.shtml
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