报告了自1990年以来通过与量子化霍尔电阻比对考核的国家直流电阻(实物)基准的长期漂移率及偏差。
The drifts and deviations of National DC (artifact) Resistance Standards by comparison with Quantum Hall Resistance (QHR) since 1990 is reported.
报告了自1990年以来通过与量子化霍尔电阻比对考核的国家直流电阻(实物)基准的长期漂移率及偏差。
The drifts and deviations of National DC (artifact) Resistance Standards by comparison with Quantum Hall Resistance (QHR) since 1990 is reported.
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