一旦获同步光纤网络(SONET)授权，将显著减少用户网络延迟或等待的时间，确保大型信息文件安全。
Once in place on authorized Synchronous Optical Networks (SONET), users will experience significantly less network delay, or latency, common to securing large information files.
简要介绍基于时间、基于事件同步、非同步认证原理，分析了动态认证技术安全性。
This paper first introduces principles of synchronous and asynchronous identification based on time and events, and then gives a through analysis of security in dynamic identification techniques.
为了提高分布式测试系统中各设备单元的时间同步精度，需要研制安全可靠的时间源。
To achieve high time synchronization accuracy among various testing equipments of distributed measurement and control systems, a safe and reliable time source is required.
为了提高分布式测试系统中各设备单元的时间同步精度，需要研制安全可靠的时间源。
To achieve high time synchronization accuracy among various testing equipments of distributed measurement and control systems, a safe and reliable time source is required.
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