n.（内燃机的）提前点火，自动点火，预燃，早燃
A few sentences regarding preignition and detonation may be helpful.
再说几句有关早燃和爆燃的问题,或许是有益处的.
This paper introduces a new power supply of preignition for pulse xenon lamp.
本文介绍了一种新型的脉冲氙灯预燃电源,它利用三端开关电源模块构成其主电路.
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