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国家化学计量基准
释义
国家化学计量基准
Encyclopedia
工学
〔化学计量基本概念〕
释
national primary measurement standard in chemistry
国家化学计量基准
由一套特定的测量装置、参考测量程序等组成,用于在化学测量领域内定义、实现、保存、复现测量单位或一个、多个、一定范围的量值,并经国家鉴定、批准作为统一全国量值的最高依据。
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underwater optical technology
underwater orienteering
underwater photogrammetry
underwater photographic camera
underwater photography
underwater piezoelectric sensing technology
underwater pipeline
underwater positioning
underwater pressurization system
underwater processing system
underwater propulsion
underwater raman spectroscopy
underwater reef blasting
underwater robot
underwater rockplug blasting
underwater sampling
underwater sensing technology
underwater sensor network
underwater signaling apparatus
Underwater Site of Dongjiao Village in Xiaolian Island of Pingtan
Underwater Site of Haitan Strait at Pingtan
underwater sound countermeasure
underwater sound projector
underwater sound propagation
underwater sound recorder
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2026/6/28 4:05:18