In computer graphics, to suppress the display of all or part of a display image. 在计算机图形技术中，抑止全部或部分显示图象的显示。
The display image of an area on a document. 在文卷上，某区的显示图象。
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，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。
The process of repeatedly producing a display image on a display surface so that the image remains visible. 为使图象保持可见，在显示面上反复产生该幅显示图象的过程或方法。
