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。

youdao

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。

youdao