在计算机图形学中，以常数值乘以图象的坐标来放大或缩小全部或部分显示图象。
In computer graphics, to enlarge or reduce all or part of a display image by multiplying their coordinate by constant values.
在计算机图形学中，将坐标超出显示空间的显示元素显示在显示空间的某个位置上。
In computer graphics, the display at some point on the display space of the display elements whose coordinates lie outside of the display space.
计算机图形学中的一种显示单元。它是由许多大小相等的矩形象元组成的一个矩形网格，每个象元具有单种颜色和强度。
In computer graphics, a display element that consists of a rectangular grid of equal-sized rectangular cells, each having a single color and intensity.
