我们用来检查功率的仪表是瓦特计。

The meter with which we check power is a wattmeter.

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本文归纳出利用对称负载的阻抗角，计算二瓦特计法表读数的一般规律。

This paper concludes general calculative regularity of readings of two-wattmeter method using the impedance Angle of balanced load.

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逆功率继电器逆功率继电器是指带瓦特计的继电器，用来感知电流的方向。

Reverse power relay a reverse power relay is a relay with a wattmeter movement that senses the direction of power flow.

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逆功率继电器逆功率继电器是指带瓦特计的继电器，用来感知电流的方向。

Reverse power relay a reverse power relay is a relay with a wattmeter movement that senses the direction of power flow.

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