发动机点火系统是汽车电系中电磁干扰的重要来源。
Engine spark ignition system is the main source of electromagnetic interference on vehicle.
汽车发动机由高电压电火花点火，点火过程产生的电磁波辐射对车载无线电接收机及周围电磁环境都会造成电磁干扰。
Electromagnetic radiation, which is created during the ignition, will cause electromagnetic interference on the automotive radio receiver and the surrounding electromagnetic environment.
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