theory of computer network

PGP and S / MIME are two applied standards of email . They are based on the theory of computer and network security , using the new technology on email process and provide a security service to end-users , include data integrity , confidentiality , and authentication .

PGP和S/MIME是目前比较成熟的电子邮件安全标准，它们是将现有的计算机网络安全方面的技术应用到电子邮件之上，提供面对最终用户的安全邮件服务，包括数据的完整性、机密性和验证。

This paper researches a new method and technique of flight path filtering and interconnection of multi-sensors , and applies the basic theory of data fusion and computer network to the tracking system of close-in anticraft weapon , thereby the frame of networked tracking system of close-in anticraft weapon .

研究多探测器航迹滤波与互联新技术与新方法，把数据融合的基本理论和计算机网络技术应用于近程防空武器的跟踪系统中，得到了近程防空武器网络化跟踪系统的框架。