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利用通用微机建立了内燃机过渡过程缸内压力、空燃比、瞬时转速及油门开度等信号的动态数据采集分析系统，应用该系统对４９２Ｑ汽油机的加速过程进行了测试分析
The dynamic data acquisition and analysis system of signal of cylinder pressure, air-fuel ratio, instantaneous speed and accelerator opening during the transient process of internal combustion engine was established by using general purpose microcomputer. The system was used to test the acceleration process of 492Q gasoline engine.