“超精密加工”的概念、定义、翻译、参考文献-科学参考

单词	超精密加工
释义	超精密加工 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	The Natives The Natural Approach The Natural Forest Protection Regulations The naturalized magnate families of Qing and Qi prefectures the natural region of Central China the natural region of Inner Mongolia, China the natural region of north China the natural region of northeast China the natural region of Northwest China the natural region of South China the natural region of sub-frigid zone in Qinghai-Xizang plateau，China the natural region of temperate zone in Qinghai-Xizang plateau，China the natural state of ethics The Nature Conservancy The Nature of Learning: Using Research to Inspire Practice the nature of the firm The Necessity of Atheism the Needham puzzle The Neighborhood Unit The Neighbourhood The Neonatal Behavioral Assessment Scale The Network Market the network of the oil sand the neutral theory The Newbery Medal for Best Children's Book

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