超精密自由曲面加工技术的发展及应用1THE HONG KONGState Key Laboratory of Ultra-precision Machining Technology超精密自由曲面加工技术的发展及应用Development of ultra-precision freeform machining technology and its applicationsDr. Sandy To 杜雪博士2THE HONG KONGState Key Laboratory of Ultra-precision Machining Technology201020003THE HONG KONGState Key Laboratory of Ultra-precision Machining TechnologyWhat is Freeform Surface?Feature: Non-rotational and Non-translational SymmetryFreeform surfaceFreefor
