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车轮传感器是为保证铁路运输安全、提高运输效率及管理系统自动化所需的一种传感器.目前,国内外流行的铁轨车轮传感器有无源和有源两种.无源车轮传感器只能适
Wheel sensors are a kind of sensors needed to ensure the safety of railway transportation, improve the transportation efficiency and to automate the management system.Nowadays, there are two kinds of passive and active railroad wheel sensors popular at home and abroad.The passive wheel sensors can only fit