它们还可用于图形工作，如简化gui上对象的旋转。
They can also be used for graphics work, such as simplifying the rotation of objects on a GUI.
ImageMagick工具包包含许多用于图形转换和操纵的实用程序。
The ImageMagick toolkit contains a number of different utilities for graphics conversion and manipulation.
输出设备将像素用于图形的表现，但是程序不会按照像素告诉界面。
The output device USES pixels for a graphics representation, but the program doesn't talk to the interface in terms of pixels.
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