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sacrificial layer technology
牺牲层技术
在表面微加工工艺中,为形成微机械结构的空腔或可活动的微结构,先在下层薄膜上沉积所需的结构件,再用化学刻蚀剂将此层薄膜腐蚀掉而不损伤微结构件,得到上层薄膜结构(空腔或微结构件)的加工方法。
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National Accounting Society of China
National Accreditation Committee for Urban and Rural Planning Curriculum
National Administrative Measures of Specific Funds for the Protection of Cultural Relics
National Advertising Art Design Competition for College Students
National Advertising Zone
National Aerobatic Team (PAN) Frecce Tricolori
National Aeronautics and Space Administration
National Affairs Constitution
National Agricultural Atlas of the People’s Republic of China
national agricultural comprehensive development high-tech demonstration zone
National Agricultural Library
National Agricultural Research Organizations of Japan
National Agricultural Sustainable Development Plan (2015—2030)
National Agriculture and Food Research Organization
National Ainu Museum
National Air and Space Museum
National Alliance
National American Woman Suffrage Association
National Amusements
National and Kapodistrian University of Athens
National Animal Disease Center
National Animal Quarantine Institute, Ministry of Agriculture of the People's Republic of China
National Anthem
national anthem
National Aquatics Center
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