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011.双季杂交稻亩产3000斤测产，听“90后”院士袁隆平怎么说？
011.双季杂交稻亩产3000斤测产，听“90后”院士袁隆平怎么说？
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By pingyuan011.双季杂交稻亩产3000斤测产，听“90后”院士袁隆平怎么说？