这是cad制图的课件，是大学教授讲课的资料，很好的资料-This is a cad drawing of the courseware, the university professors to give lectures to information, good information

此课件讲述了turboC图形设计的原理，以及利用C语言的代码实现-This courseware described turboC graphic design principles, and the use of C language code for achieve