里面是有关邮件传输协议的描述,对要开发邮件客户端和服务器的朋友应该会很有帮助。-Which is related to the description of Mail Transfer Protocol, and to develop e-mail client and server should be very helpful friend.
Matlab在脆弱水印中的应用。对matlab在脆弱水印中的应用指明了方向-Matlab in fragile watermarking application. Of fragile watermarking in matlab application specified in the direction