认证值、指示性值和信息值之间的区别是什么？
认证值是指符合最高精度标准的值。不确定度和计量可追溯性有明确定义，可作为计量参考，例如在校准、验证和偏差测试中。
指示性值是指不确定性被认为太大或可用于认证的独立数据集太少，因此不如认证值可靠的值。使用这些值时应格外小心。
附加材料信息是在研究过程中获得的值。它们通常仅从单个测量中得出，并且在没有不确定性的情况下陈述，并且仅给出用户可能感兴趣的其他材料特性的信息。
What is the difference between certified, indicative and information values?
Certified values are values that fulfil the highest standards of accuracy. Uncertainty and metrological traceability is clearly defined and they can be used as a metrological reference, for example in calibration, validation and bias tests.
Indicative values are values where either the uncertainty is deemed too large or where too few independent datasets are available to allow certification and are therefore less reliable than certified values. Great caution should be used when using these values.
Additional material information are values that were obtained in the course of the study. They are usually derived from single measurements only and are stated without an uncertainty and give merely information about other material properties that may be of interest for the user.
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