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近几年来,关于标准物质量值溯源性的讨论,已有许多文献报道。对溯源性的认识人们越来越重视,尤其对标准物质这特殊的商品,对它的量值溯源性的讨论愈加深入。这
In recent years, there have been many reports on the tracing of the traceability of standard substances. People pay more and more attention to the cognition of traceability. Especially for the special commodity of standard material, the discussion on its traceability is more and more in-depth. This