• The paper is to prove the refraction on two kinds of medium interfaces of electric displacement line using the boundary condition of the electric field and Fermat Principle.

    利用电场边界条件费马原理证明位移线介质界面折射

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  • The principle of paper thickness on-line measurement using displacement differential method based on laser displacement sensor and electric eddy current displacement sensor is introduced.

    介绍了基于激光位移传感器涡流位移传感器的位移差动在线检测坯厚度原理测量系统的软硬件设计

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  • Stepping motor is a kind of electromechanical component that is driven in step angle or line displacement by electric pulse signal.

    步进电动机电脉冲信号转换成相应角位移机电元件

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  • Stepping motor is a kind of electromechanical component that is driven in step angle or line displacement by electric pulse signal.

    步进电动机电脉冲信号转换成相应角位移机电元件

    youdao

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