“standards for environmental reference material”的概念、定义、翻译、参考文献-科学参考

单词	standards for environmental reference material
释义	standards for environmental reference material Encyclopedia 工学环境标准样品标准释 standards for environmental reference material环境标准样品标准对用于标定仪器、验证测定方法、进行量值传递或质量控制的材料或实物样品所作的统一规定。
随便看	frequency synthesized signal generator frequency synthesizer frequency table frequency theorem frequency theory frequency theory of probability frequency thermometer frequency transition frequency upconversion frequency value measurement frequency-varying induced polarization instrument Frequent Asked Questions，FAQ frequent blinking frequent cases related to property frequent flyer program frequentism probabilistic logic frequentit frequent itemsets frequently asked questions frequently asked questions, FAQ frequent micturition frequent pattern frequent pattern-based classification Frequent traffic congestion frequent urination

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