视磁极面为理想磁壁，应用镜象法，定量分析了外磁铁极头对谐振子阻抗的影响。
Considering that the surface of the magnetic pole is an ideal magnetic wall, by means of mirror method, the effect of outer magnetic pole on resonator impedance is analyzed quantitatively. The...
生产商们最终能让市场上的二极管设备具备所有的加强特性，如安全感应器，摄像头或者无线通信。
Manufacturers may eventually market LEDs with all sorts of enhanced features, such as security sensors, cameras or wireless communication.
透镜底部的摄像头通过收集反射回来的光线定位观众的位置，同时发光二极管的角度根据观众的移动发生改变。
A camera at the bottom of the lens tracks the viewers by collecting light coming the other way through the lens and the Angle of the LEDs changes to correspond to the viewers' movements.
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