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1千克质量作证基准砝码
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1千克质量作证基准砝码
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工学
质量计量技术
释
national prototype of the kilogram for checking
1千克质量作证基准砝码
为了监测1千克质量基准砝码的量值是否发生变化而专门设立的复制件。
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Royal Aeronautical Society
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Royal Air Force Aerobati Team
Royal Alberta Museum
Royal architects Lei’s clan
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Royal Astronomical Society of Canada
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Royal Bank of Canada
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Royal Botanic Garden Edinburgh
Royal Botanic Garden Peradeniya
Royal Botanic Gardens Melbourne
Royal Botanic Gardens of England, Kew
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Royal Cemetry of Ur
Royal Charter of British South African Company
Royal College of Art
Royal College of Veterinary Surgeons
Royal Commentaries of the Incas
Royal Commission into Aboriginal Deaths in Custody
Royal Commission on Bilingualism and Biculturalism
Royal Commissionon Dominion-Provincial Reltions
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