其先进的电流检测电路采用采样和保持方法，以提供精确的平均电流信号。

Its advanced current sensing circuitry employs sample and hold methods to provide a precise average current signal.

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对采用继电器控制系统进行控制的某实验室船舶燃油辅助锅炉，采用计数法进行可靠性评估，得出控制电路的平均无故障时间。

The reliability lab ship fuel oil donkey boiler controlled by relay control system is evaluated using counting method, and mean time to failure (MTTF) of the control circuit is educed.

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论文还研究了平均电流型PF C电路。

The thesis also analyzes the average current type of PFC.

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