“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	United Nations Convention on the Law of the Sea United Nations Convention on the Use of Electronic Communication in International Contracts United Nations Convention on Transparency in Treaty-based Investor-State Arbitration United Nations Convention to Combat Desertification United Nations Counter-Terrorism Committee United Nations Decade of Ocean Science for Sustainable Development 2021—2030 United Nations Declaration on the Rights of Indigenous Peoples United Nations Economic Commission for Africa United Nations Educational Scientific and Cultural Organization United Nations Educational, Scientific and Cultural Organization United Nations Educational,Scientific and Cultural Organization United Nations Educational, Scientific and Cultural Organization Thesaurus United Nations Environment Assembly United Nations Environment Programme United Nations Environment Programme-World Conservation Monitoring Centre United Nations Forest Instrument United Nations Framework Convention on Climate Change United Nations Fund for Population Activities, UNFPA United Nations General Assembly Resolutions of "Large Scale Pelagic Driftnet Fishing and its Impact on the Living Resources of the World's Oceans and Seas " United Nations Habitat Scroll of Honor Award United Nations Headquarters United Nations High Commissioner for Human Rights United Nations Human Rights Council United Nations Human Settlements Programme，UN-Habitat United Nations International Children's Emergency Fund

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