Two kinds of key sensors, hot-film mass air flow (MAF) sensor and universal exhaust oxygen gas sensor, for the AFR control are fully studied in this paper.

本论文主要研究空燃比控制中的两种关键传感器：热膜式空气质量流量传感器和宽带型废气氧传感器的动态性能。

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This task adopt MEMS technics to make Thermal -film air-mass sensor, mostly work is the study and facture of the sense organ of the chip.

本课题采用MEMS工艺制作热膜式气体质量流量传感器，主要工作放在敏感头芯片部分的研制。

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Air mass flow sensor is broadly used in engine testing and control system.

质量空气流量传感器广泛应用于发动机测试及控制系统。

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The same goes for the mass air flow sensor, which calculates the amount of air coming into the car and determining yhow much fuel to shoot into the engine.

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