从曲轴上获取活塞位置信号时，所使用的上止点传感器及曲轴转角传感器在结构上趋向于一体化。

When obtain piston position signal from Crankshaft, Top Dead Center Sensor and Crankshaft position Sensor tend to be integrative in structure.

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因为凸轮轴位置传感器能够识别哪一个气缸活塞即将到达上止点，所以称为气缸识别传感器。

This sensor can also indicate which cylinder will reach to tope dead center, so it 'also called cylinder indication sensor.

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因为凸轮轴位置传感器能够识别哪一个气缸活塞即将到达上止点，所以称为气缸识别传感器。

This sensor can also indicate which cylinder will reach to tope dead center, so it 'also called cylinder indication sensor.

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