precision and ultra-precision machining 精密和超精密切削加工
On ultra precision cutting, grinding and non-traditional machining, there is a hard problem between long travel and high precision, especially in multi-coordinate machining.
在超精密切削、磨削、特种加工中，大行程驱动与高精度进给是难以解决的矛盾，也是多坐标超精密加工的难点。
Abrasive machining plays an important role in precision and ultra-precision processing technology.
磨粒加工是现代精密与超精密加工中重要的加工方法。
To machining of aspheric part of high precision and high quality, interpolation algorithm of ultra-precision aspheric numerical control system is very important.
为了加工出高质量的非球曲面器件，超精密非球曲面数控系统的数控插补算法非常重要。
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