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次级测量标准
释义
次级测量标准
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工学
测量标准
释
secondary measurement standard
次级测量标准
通过用同类量的原级测量标准对其进行校准而建立的测量标准。简称次级标准(secondary standard)。
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soil,earth
soil ecological stoichiometry
soil ecology
soil effective cation exchange capacity
soil electrical conductivity
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