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近两年,以先玉335为代表的一批国外品种在国内几大玉米区掀起了抢购热潮,这给国内科研单位与种子公司的研发与销售带来了严峻的挑战,正确分析当前市场形势,吸收改
In the past two years, a group of foreign varieties represented by Xian Yu 335 set off a craze in the domestic maize area. This posed a severe challenge to the R & D and sales of domestic research institutes and seed companies, and correctly analyzed the current market situation Absorption change