根据“团价矩阵”和收缩规则，本方法可在不改变原字符图象结构的同时缩小字符图象。
According to "group-valence" and the rule of contracting, the size of character-picture can be contracted without changing their structure.
实现了图象文件的放大、缩小、旋转、裁剪等几何操作；
Some geometrical image transform such as scale expanding, scale reducing, rotation, crop etc. were afforded.
在计算机图形学中，放大或缩小整个或部分显示图象。
In computer graphics, enlarging or diminishing all or part of a display image.
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