计算机网络（第4版）中文版-第一章　全书由潘爱民先生翻译　由于没有下载到中文版后面的章节，所以我上传了全书的英文版。-computer network (Release 4), the Chinese version - the first chapter book translation by Mr. Pan Aimin downloaded to the absence of the Chinese version of the chapter on the back, so I upload the book in English.