But the real problem is that we compound our errors in judgment with an error in doctrine.
但真正的问题是，我们常常把判断失误和理论失误混淆在一起。
There exits a compound error problem in the electrical measurement, which is composed of PT synthetic error, ct synthetic error, electrical energy measurement error and secondary potential of PT.
电能计量综合误差是由电压互感器的合成误差、电流互感器的合成误差、电能表的误差、电压互感器二次导线压降所引起的计量组成。
The inventive method has low error, high accuracy, and avoids complex correction via using sugar-ferric-hydroxide compound.
该方法误差较小，精确度较高， 采用糖-氢氧化铁复合物标准品还可避免繁琐的校正工作。
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