简单的图形学SRGP教学包运用实现。
Simple graphics SRGP realize the use of teaching packages. A.
由于此程序包不是商业软件，仅供科研和教学使用。
This computational program is not a commercial software. It is only for research and teaching.
由于此程序包不是商业软件，仅供科研和教学使用。
This computational program is not a commercial software. It is only for research and teaching.
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