课题在创作过程中经过大量的前期调研和论证，对目前市场上的有机五谷杂粮产品的包装形式、材料、制作工艺等方面进行了系统的探索。
I also did lots of investigation to research the packaging forms , materials , production techniques of the organic cereals on the market comprehensively .
有机杂粮