本代码为周伟明著的《多核计算与程序设计》一书所对应的源代码， 书中，有对本项目中各种数据结构与算法源代码的详细描述。 并且在《多核计算与程序设计》一书的附录中，有本项目各个源文件和书中的章节对照表。-The code for Wei-Ming Zhou of the " multi-core computing and programming," a book by the corresponding source code, the book, there are a

次程序是数据结构中的很多代码的整合，特别其中是对DXF文件的读写-The second program is the integration of data structures in a lot of code, in particular in which the read and write DXF files