Should there be an uncompensated variation in the reference junction temperature, there will be a corresponding change in millivolt with a resultant error in temperature measurement.
假如参考端温度的变化没被补偿，就会有相应的毫伏电压变化，结果会导致温度测量的误差。
To make accurate temperature measurements with thermocouples, the reference junction temperature must remain constant. If it varies, suitable compensation for these variations must be provided.
要用热电偶实现精确的温度测量，参考端温度必须保持恒定；如果会变化，必须提供这些变化的适当补偿。
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