certified standard material
... certification system认证体系 certified standard material有证标准物质 change of temperature test温度变化试验 ...
certified reference material
有证标准物质(Certified Reference Material)(CRM)是附有证书的标准物质,其一种或多种特性值用建立了溯源性的程序确定,使之可溯源到准确复现的用于表示该特性值的计量单位。
certified reference material producer
... 定值报告 certification report 定值机构 certifying body 有证标准物质/标准样品的生产者 certified reference material producer ...