To study the structure of telecentric beam path for zoom lens system, the axial displacement equation for the stop was deduced, which keep the system telecentric in all zoom position.
In computer graphics, the application of a constant displacement to the position of one or more display elements.
在计算机图形学中，把一个常量位移加到一个或几个显示单元的位置上的功能。
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The graphs for the displacement, energy and the trajectory of the bob are gotten by recording the position of the bob in real time under different initial conditions.