在开幕式上点火炬仪式进行地不顺利，一个冰制机器出故障，好几辆运输车也抛锚，异常转暖的天气让主办方不得不推迟赛事安排。
The Olympic torch did not burn properly during the opening ceremony, an ice-making machine broke down as did several buses, and unseasonably mild weather caused events to be postponed.
本文提出一种只需在传统点火系中增加一只爆震传感器和简单的控制电路便可构成爆震推迟的点火系统。
This paper introduces an ignition system with knocking eliminator consisting of a detonation sensor and a simpler controlling circuit added to a traditional ignition system.
试验结果表明，催化转化器的位置距排气口近可提高排气温度，大大提高催化转化器的转化效率；推迟点火提前角和提高怠速转速均有利于使催化转化器进入快速起燃状态。
Experimental results show that the position of the converter nearer to the exhaust port, the retard ignition timing and the higher idle speed can promote the catalytic converter light-off.
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