Imitative creation is one way for Chinese enterprises to achieve innovation and development. Meeting market demands is the first step of product creation. If the market requirements are translated to the operable specification which directs product design, it needs the integration of semantic expression between them, the structurized expression method, the structurized map relation and the comprehensive consideration about many fields in the product life cycle.First, the methods are proposed to acquire, analyze and define product requirement rapidly, and the requirement model is built. Then, a software infrastructure is established for requirement acquisition and definition system RADAR supporting product creation. Finally, the key technology is given to implement this system.
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