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一维线纹计量基准
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一维线纹计量基准
Encyclopedia
工学
线纹计量技术
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the primary standard for line scale metrology
一维线纹计量基准
用于一维线纹计量器具校准和溯源,统一全国线纹量值的国家计量基准。
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social skill training
social software
social solidarist school of law
social solidarity of villages
social space
social space and social time
social space in urban China
social spatial structure
social special care law
social special care statistics
social spiritual life
social sport instructor
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social stability
Social stability assessment
social stability evaluation of projects
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social stability risk assessment
social statics and social dynamics
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social stock analysis
social stratification
social stratification of education
social stress theory
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