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.
一种为专用应用程序而给定一个常数值的变量，而且它可以表示该应用程序。 A variable that is given a constant value for a specified application and that may denote the application.
通常出现在页面或显示屏顶部的一种常数或字段，用于标识页面或显示屏的信息。 A constant, or field, usually at the top of a page or display, that identifies the information on the page or display.
一种常数、变量、函数名或表达式。 A constant, variable, function name, or expression.
