In computer graphics, enlarging or diminishing all or part of a display image.
在计算机图形学中，放大或缩小整个或部分显示图象。
In computer graphics, a light sensitive pick device that is pointed at the display surface.
在计算机图形学中，一种指点显示屏面的光敏信号选图装置。
In computer graphics, a light sensitive pick device that is pointed at the display surface.
在计算机图形学中，一种指点显示屏面的光敏信号选图装置。
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