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详细介绍了用直流数字电压表法校准电阻箱的原理、数学模型及测量不确定度评定方法。
This paper introduce in detail the principle of the calibration of resistance box by method of direct current digital voltage meter, mathematics model and the way of uncertainty evaluation.
电阻屏需要保护膜以及相对更频繁的校准。
A resistive screen also gradually wears out and requires more frequent calibration.
分析了直流电阻分压箱的技术指标和校准水平，提出了等分测量的校准方法，进行了不确定度分析，给出了验证方法。
The technical index and calibration level of the DC resistance voltage divider are analyzed, the uniform calibration method is proposed, the uncertainty is analyzed and the checking method is given.
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