本文采用大子样、小子样抽样理论的数理统计方法，评定电阻应变计灵敏系数的精度等级。
The rank of accuracy of electric resistance strain gage factor is evaluated according to the sampling theory of large samples or small samples.
采用等强度梁、挠度计、并联电阻箱、电位差计等测定电阻应变计的灵敏系数是一种常用的方法。
Shunting resistance box is a commonly used method in the determination of the sensitivity coefficient of the resistance strain gauge with the equal-strength beam aparatuses.
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