根据美国劳工部门的消息，计算机系统设计和相关服务产业的就业率在2008年至2018年期间有望增长45%。
The computer systems design and related services industry is expecting 45 percent job growth from 2008 to 2018, according to the U. S. Department of Labor.
遗憾的是，随着计算机系统在更多关键场合的使用，即使拒绝服务通常也是不可接受的。
Unfortunately, as computer systems become used in more critical situations, even denial of service is often unacceptable.
一个代理服务器就是一个向其它服务器发出请求的服务器(一个计算机系统或者一个软件应用软件)。
A proxy server is a server (a computer system or a software application) that forwards requests to other servers.
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