Here is a collection of invaluable educational resources on graphic design that have been broken down into different categories depending on your preferred methods of consumption.
以下是图形设计非常有价值的教育资源的集合。资源已进行了分类，你可以根据自己的学习方式来选择。
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PDFoo is a large collection of ebooks and PDFs all related to the field of graphic design.
PDFoo集合了大量的图形设计方面的电子书和PD F文档。
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Digitized cadastral map is drawn with drawing instruments after data′s collection with electronic theometer and electronic automatic recording in the field and editing graphic indoors.