A proxy is important to an Ajax architecture if you plan to aggregate content from multiple Web services or if you need to enforce a security mechanism on clients connecting to the network.
若想聚合来自多个Web服务的内容或需要在连接到网络的那些客户机上强制施行一种安全机制，那么代理对于Ajax架构而言就愈发重要。
In order to satisfy the increasing necessary of security, we need a whole anti-virus plan to protect the campus network to be safe and stability.
为了满足日益增长的安全需求，迫切需要一个整体的防病毒方案来保护整个校园网络的安全和稳定。
More detailed analyses are given in these aspects: the campus network plan, topology, the function of the business application system, and security protection and management.
提出了新校园网建设的需求，从校园网的网络规划、拓扑结构、业务应用系统功能、安全保障和安全管理等方面进行了详细分析；
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