- A word processing formatting control used in proportionally spaced printing or display that causes the active position to move to the right a distance equal to the escapement value for numbers in the pitch being used.; 一种字(词)处理格式控制(字)符，用于按适当的间隔打印或显示，使当前的位置右移一个控 制间隔值的距离，该值等于所用步距的数值。
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