The block becomes magnetic when the current is switched on.
一通上电流，这块板就会有磁性。
Pass a current through an inductor, and you create a magnetic flux.
把电流传给电感器，就会产生磁通量。
Somehow the magnetic field generated by it, and it has to be a donating current.
就会产生磁场，也就产生了感应电流。
This current changing, the magnetic field will change.
如果这一电流变化，磁场也会变化。
The three most important effects of an electric current are heating, magnetic and chemical effects.
电流三种最重要的效应是热效应、磁效应和化学效应。
The current in the conductor sets up a magnetic field.
导体里的电流形成一个磁场。
The coil converts the current into a powerful magnetic field.
线圈则产生强烈的磁场。
The excitation current which bring about the optimum magnetic…
确定了最佳磁化强度时的激励电流。
The secondary current sets up a magnetic field inside the tube .
二次电流在管子内部会产生磁场。
The secondary current sets up a magnetic field inside the tube.
二次电流在管子内部会产生磁场。
And when you turn the current off, the magnetic field collapses.
当你切断电流，电磁场就消失了。
Magnetic current converter brake is a new brake with bright prospect.
磁流变制动器是一种具有良好发展前景的新型制动器。
As the current reaches its peak value, the magnetic field does also.
当电流达到其峰值，磁场的作用也。
And an investigation on current situation of magnetic ferrofluid technology was carried out.
并对目前的磁流体技术现状进行了一些探讨。
The magnetic field of an infinite long straight current has a cylindrical symmetry.
无限长直电流的磁场具有柱对称性。
The influence of current and frequency on the magnetic field distribution is studied.
通过改变电流和频率，以便找出其对磁场分布的影响。
By taking the magnetic field and electric current as b...
并讨论磁场与电流对系统应力状态的影响。
By taking the magnetic field and electric current as b...
并讨论磁场与电流对系统应力状态的影响。
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