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legal metrology
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legal metrology
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法制计量
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legal metrology
法制计量
受国家计量法律调整,国家计量行政部门对计量法律相关的内容进行管理和监督的活动。为满足法定要求,由有资格的机构进行的涉及测量、测量单位、测量仪器、测量方法和测量结果的计量活动,计量学的一部分。
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special λ-ring
speciatioin analysis of organometallic compounds
speciation
speciation analysis
speciation analysis of trace element
species
Species 2000
species-abundance distribution
species abundance distribution pattern
species analysis
species analyzed atomic fluorescence spectrometer
species-analyzed atomic fluorescence spectrometer
species-area relationship
species cataloging
species coexistence
species coexistence theory
species composition of plant community
species differences in drug reaction
species distribution model
species distribution models
species diversity
species diversity effects of pollutants
species diversity index
species diversity pattern
species diversity pattern along the elevational gradient
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