人口增加了近2憶,農業設施依然靠人力,國家基本上沒有什麽資金投入
所有跟帖:
• 農業基本上還是靠天吃飯,農業科技如種子等也進步不大,才有了一波又一波的義務修建水利工程,舉世矚目! -jameszon- ♂ (0 bytes) () 11/06/2018 postreply 11:13:45
• 農業基本上還是靠天吃飯,農業科技如種子等也進步不大,才有了一波又一波的義務修建水利工程,舉世矚目! -jameszon- ♂ (0 bytes) () 11/06/2018 postreply 11:13:45
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