电子控制单元使电流通过初级绕组直到感知到一个从转速传感器或拾波线圈产生的触发电压脉冲。
The electronic control unit allows current to flow through the ignition coil primary winding until it senses a triggering voltage pulse from the speed sensor, or pickup coil.
触发叶轮随发动机转速而旋转，使得转速传感器或拾波线圈产生与发动机转速和活塞位置相对应的触发电压脉冲。
The trigger wheel rotates with engine RPMs and causes the speed sensor, or pickup oil, to produce triggering voltage pulses that correspond to engine speed and piston position.
这是因为磁场线圈是在尖端的地方流向地面的，这些线圈的作用是为那些流失并超越弓形波的电子与质子提供通道。
This is because it is at the cusp that magnetic field-lines stream down towards the ground, acting as paths for electrons and protons that have slipped past the bow shock.
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