指针会振荡一段时间然后才静止到一个稳定的偏转角。
The pointer oscillates for some time before setting down to a steady deflection.
旋转角度可用来度量线圈内通过的电流，角度用指针的转动或镜面反射光线的偏转来测定。
The Angle of rotation, which provides a measure of the current flowing in the coil, is measured by the movement of the needle or by the deflection of a Beam of light reflected from the mirror.
旋转角度可用来度量线圈内通过的电流，角度用指针的转动或镜面反射光线的偏转来测定。
The Angle of rotation, which provides a measure of the current flowing in the coil, is measured by the movement of the needle or by the deflection of a Beam of light reflected from the mirror.
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