调整斜率和偏移的电阻R5和R2及其邻近电阻共同组成一个电压测量网络来提供TP2上的参考电压。
Slope and offset pots R5 and R2, together with the adjacent resistors, from a voltage scaling network providing the reference voltage at TP2.
相同纤维掺量的水泥基材料随温度的升高其电压-电阻曲线下降斜率基本保持不变，但初始电阻值下降；
Under the condition of same fiber content, the decreasing slope of the voltage-resistance curves remains basically invariable when the temperature goes up, but the initial resistance value decreases.
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