众所周知 ,种子作为一种科技含量高的特殊的农业生产资料 ,在促进农业产业结构战略性调整与保障粮食安全上起着非常重要的不可替代的作用。然而 ,种子所具有的消费弹性小、性状隐蔽、时效性强、生产周期长、地域限制严等特点 ,又使其明显区别于一般的商品。因此 ,《中华人民共 As we all know, the seed as a special high-tech agricultural production material plays a very important and irreplaceable role in promoting the strategic adjustment of agricultural industrial structure and ensuring food security. However, the seeds have the characteristics of small consumption elasticity, hidden characters, strong timeliness, long production cycle and strict geographical restriction, which make them obviously different from ordinary commodities. Therefore, "the Chinese people