Hall effect type electronic ignition control circuit has been designed by means of voltage comparator.
利用电压比较器，设计出了霍尔效应式电子点火控制电路。
Analog Hall-Effect sensors are used to determine the presence or absence of magnets that identify the type of faceplate being used.
模拟霍尔效应传感器被用来确定磁铁存在或者不存在，从而确认所用的面板类型。
The coefficient of Hall-effect decided by experiment can determine the type of semiconductor materials, the concentration of carrier, the mobility of carrier and other important parameters.
通过霍尔效应实验测定的霍尔系数，能够判断半导体材料的导电类型、载流子浓度及载流子迁移率等重要参数。
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