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随着科学技术的发展,传感器的应用已越来越普及.传感器是指这样一类元件:它能够感受诸如力、温度、光、声、化学成分等非电学量,并能将它们按照一定的规律转换为电压、电流、电阻等电学量,或转换为电路的通断的元件(功能:转换可测量的电学量和电路的通断(开关)).事实上,在我们的身边,就大量地使用着各种各样的传感器.例如,电视机、空调的遥
With the development of science and technology, the application of sensors has become more and more popular.Sensor refers to such a class of components: it can feel such as power, temperature, light, sound, chemical composition and other non-electrical quantities, and they can be in accordance with certain The law is converted into electrical quantities such as voltage, current, resistance, or into on-off elements of the circuit (function: converting the measurable amount of electrical energy and the on-off of the circuit (switch).) In fact, A wide variety of sensors are used, for example televisions, air-conditioned televisions