点火正时装置：触点必须能够在活塞处于气缸中相关位置时，按时关闭和开启。
Ignition timing devices. The contact points must be timed to close and open in proper relation to the piston positions in the cylinders.
可使用的正时方法有几种，例如可使用频闪灯或活塞位置仪。
Several timing methods are in used, for example, using a stroboscopic light or a piston-position gauge.
位置正时是指ecu通过对转速信号的处理，判定当前工作缸号及计算曲轴当前位置的过程。
Location synchronization is the process that the ECU processes speed signal, and determines the current working the number of cylinder and the current location of crankshaft.
所设计的正时方案能够在各个工况下实现正确喷油，位置正时控制达到了预期的效果，具有较高的实用价值。
The designed scheme can achieve the correct fuel injection in different conditions, location synchronization control has achieved the desired results. It has high practical value.
所设计的正时方案能够在各个工况下实现正确喷油，位置正时控制达到了预期的效果，具有较高的实用价值。
The designed scheme can achieve the correct fuel injection in different conditions, location synchronization control has achieved the desired results. It has high practical value.
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