The rank of accuracy of electric resistance strain gage factor is evaluated according to the sampling theory of large samples or small samples.

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。

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The instrument is composed of the weigh sensor in form of electric resistance strain gage, weigh digital display instrument and computer data processing software.

该装置由电阻应变片式称重传感器、称重数字显示仪表及计算机数据处理软件联合组成。

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