上游充通大 e SHANGHAI JIAO TONG UNIVERSITY The Product Specs Process Set Target Specifications Based on customer needs and benchmarks >Develop metrics for each need >Set ideal and acceptable values Refine Specifications Based on selected concept and feasibility testing >Technical modeling >Trade-offs are critical Reflect on the Results and the Process >Critical for ongoing improvementThe Product Specs Process Set Target Specifications  Based on customer needs and benchmarks  Develop metrics for each need  Set ideal and acceptable values Refine Specifications  Based on selected concept and feasibility testing  Technical modeling  Trade-offs are critical Reflect on the Results and the Process  Critical for ongoing improvement