如果您有一个客户机/服务器系统，服务器应该永远不要相信客户机。
If you have a client/server system, the server should never trust the client.
时钟同步服务通过把客户机系统上的系统时钟改成与服务器系统相匹配的时钟而起作用。
Clock synchronization services work by changing the system clock on the client systems to match the clock on the server system.
他们宣称，未来的计算基础设施将会是一个高度分布的、松散连接的个人电脑和客户机-服务器系统的集合。
The computing infrastructure of the future, they pronounced, would be a highly distributed and loosely connected collection of personal computers and client-server systems.
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