The application and operation of the graphics library were introduced through some examples.
通过实例，介绍了粉末冶金模具图形库的应用和操作。
This paper introduces the developing method of 3d graphics library and the realization of virtual product for digital assembly, then presents the application.
介绍了三维图形库的开发方法和数字化虚拟装配的实现，并给出了其具体应用实例。
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