新型高压电能表必须采用整体误差校验系统来定义准确度等级。
The accuracy grade of novel HVEM must be defined by integrated error calibration system.
随机误差校验：用数理统计理论对全面统计数据进行异常点识别。
Accidental error check: To recognize the unusual conditions with the mathematical statistics theory.
高稳定标准冲击信号发生器是高电压脉冲数字化量测误差校验的必备设备之一。
A standard impulse signal generator with high stability is an important equipment for routine test and calibration of digital recorders for measurement in high-voltage impulse tests.
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