任何一个产品的开发，都要经历“项目确定”、“设计研制”、“批量生产”“市场销售”等阶段。虽然合阶段都有其不同的工作内容，但是就其对信息的依懒性而言则是完全一致的。分析产品开发的全过程．有助于我们对信息的重要作用有一个比较清晰的认识．以便加深理解研究信息本 Any one product development, have to go through the “project to determine”, “design and development”, “mass production”, “marketing” stage. Although co-occurrences have different contents of their work, they are exactly the same in terms of laziness of information. Analyze the whole process of product development. It helps us to have a clearer understanding of the important role of information. In order to deepen understanding of research information