论文首先介绍了我国粮食包装的现状及其发展趋势，由此引出了粮食包装技术的开发、改进和应用在现代粮食销售包装的重要性和迫切性。
The paper firstly introduces the status and trend of development of the packaging grain, and the necessity of improving and applying the technique for grain.
食品污染是指人们吃的各种食品，如粮食水果蔬菜鱼肉蛋等，在生产运输包装贮存销售烹调过程中，混进了有害有毒物质或者病菌。
Food pollution is when the food, like fruits, vegetables, fish, meats, eggs, etc. gets the toxins or bacteria during production, transportation, packaging, storing, selling, cooking processes.
食品污染是指人们吃的各种食品，如粮食水果蔬菜鱼肉蛋等，在生产运输包装贮存销售烹调过程中，混进了有害有毒物质或者病菌。
Food pollution is when the food, like fruits, vegetables, fish, meats, eggs, etc. gets the toxins or bacteria during production, transportation, packaging, storing, selling, cooking processes.
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