“ultra-precision machining”的概念、定义、翻译、参考文献-科学参考

单词	ultra-precision machining
释义	ultra-precision machining Encyclopedia 工学数字化制造释 ultra-precision machining超精密加工加工尺寸精度达到10纳米，表面粗糙度1纳米，加工的最小尺寸可达1微米的加工工艺。工学超精密加工释 ultra-precision machining超精密加工加工零件的尺寸或形状精度优于100纳米，表面粗糙度Ra小于20纳米的加工技术。
随便看	continuity domain continuity effect continuity equation continuity equation for seepage flow continuity equation of electric current continuity equation of fluid motion continuity equation of water flow continuity from above continuity from below continuity from left continuity from right continuity in mean square continuity in probability continuity interval continuity in the Baire sense continuity in the mean continuity method continuity model continuity of a function continuity of a mapping continuity of probability continuity of real numbers continuity of state continuity of the gaseous and liquid states continuity on both sides

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