针对“发动机转速伟感器总检台”的实际系统，论述了硬、软件设计的背景、设计原理和设计思想。
The paper expounds the background, principles and framework for designing the hardware and software of the synthetic test system of automobile engine speed sensor.
伟士牌？第一台现代速克达？满足了这项需求。
This need was answered in the form of the Vespa, the first modern scooter.
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