Calculate the sensitivity coefficient by numerical calculation during estimating the uncertainty that brought by the uncertainty of the direct measurement parameters.
在评定由于各个直接测量参数引入的不确定度时，用数值计算的方法计算灵敏度系数。
Sensitivity coefficient calculation is the key point of uncertainty evaluations.
灵敏系数的计算是不确定度计算的关键。
Measuring method for differential coefficient of expansion and the standard uncertainty is introduced as well.
同时介绍了微分膨胀系数的测量方法及其测量不确定度。
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