【正文】
ior to engineering prototype: previous product history, relevant research phase testing 2 很高 Can be detected prior to design releasing: DVR/DVL testing, animal study results and /or protocol required testing 3 高 4 中上 Can be detected prior to mass production: Process and Product Validation efforts 5 中等 6 小 Can be detected prior to shipping out the finished product: online inspections, lot release testing 7 很小 8 微小 Can be detected after shipping but prior to end user 9 很微小 Can b