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杂交稻种子是国家明令专营的特殊生产资料,对农业生产具有不可替代的作用。为保证粮食的高产、丰产,使农民朋友不被不
Hybrid rice seed is a special state-owned franchise materials, has an irreplaceable role in agricultural production. In order to ensure the high yield and high yield of grain, peasants and friends will not be dismissed