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14C dating
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14C dating
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工学
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14C dating;radiocarbon dating
碳-14测年
根据碳-14的衰变程度来计算出样品的大概年代的一种测量方法。又称碳-14年代测定法、放射性碳定年法。
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national chemical measurement standard
National Chengtu Higher Teacher School
National Children's Literature Creation Conference
National Chinese Opera Work Conference
National Chornobyl Museum
national circulating transformation pilot park
National Climate Center
National Climbing championships
National Coach Museum
National College of Oriental Languages
National College of Veterinary Medicine
National Collegiate Athletic Association
national color
national command organization
National Commission for Classics Editing and Research by Institutions of Higher Learning, Ministry of Education
National Commission for Cultural Relics Identification
National Commission for the Management of Special Funds for the Development of Film Industry
National Commission on Genetic Resources for Livestock and Poultry
National Commission on Libraries and Information Science,NCLIS
National Committee of Cultural Relics
National Communication Association
national competitive intelligence
national competitiveness evaluation
National Comprehensive Information Platform for Maternal and Child Health
national compulsory tree planting
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