The Hall-effect vane sensor is to be primarily used to sense the angle position and the speed of the crankshaft of the automotive engine, in addition to be used in brushless DC motors.
霍尔叶片传感器主要用于检测汽车发动机曲轴位置和转速，此外还可用于检测无刷电机磁极位置及测速等。
A method that is applied to track rotor position in aero - engine by using the hall sensor to achieve the tracking the position for a certain aero -engine compressor rotor parts is introduced.
本文介绍了一种应用于航空发动机上的转子位置跟踪方法，即采用霍尔传感器完成压气机转子部件的位置跟踪。
James Watt, Scottish engineer and inventor of the steam engine, died at Heathfield Hall, near Birmingham aged 83.
苏格兰工程师、蒸汽机发明家詹姆士·瓦特在伯明翰附近的希思菲尔德逝世，终年83岁。
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