本文详细分析了未经安全增强的主流操作系统所面临的安全问题，对安全操作系统设计理念的局限性进行了总结；
First, security problems faced by mainstream OS that haven't enhanced security mechanism are analyzed in detail, and the limit of traditional design theory is concluded too.
作为NT产品线的一员，Windows 2000把Windows 98的Web集成界面添加到专为工作站和服务器环境而设计的、稳定的、相对安全的操作系统中。
As a member of the nt line, Windows 2000 added Windows 98's Web integration to a stable, relatively secure OS designed for workstation and server environments.
Vista是微软为增进系统的安全性而做的努力，但也许微软做得太过了，结果设计出一个过于防范的操作系统，以致连Vista用户自己都被防范得难以使用。
Vista was Microsoft's attempt to secure the system, but perhaps it went too far and created an operating system so defensive that even users had a difficult time using it.
这个操作系统打出了孩子使用也足够安全的广告。广告还称，这不是挤奶器产品，它的设计也不是为了取代商业化的机器。
The system is advertised as safe enough for children to use. The AD also says it is not a production milker and not designed to replace commercial machines.
灵活内核技术把构件技术充分地融入到了操作系统体系结构的设计中，在兼顾了性能和灵活性的同时也引入了安全问题。
The agile kernel technique uses component-based programming model in implementing operating systems, and provides a natural model of operating system architecture.
同时还对管道输送CO2气质的要求、管道材质、管道输送的安全性以及杂质对CO2管设计和操作系统的影响等进行了研究；
At the same time, requirements for CO2 quality, pipe material, pipe transportation safety and impact of impurities on the CO2 pipe design and operating system have been studied.
同时还对管道输送CO2气质的要求、管道材质、管道输送的安全性以及杂质对CO2管设计和操作系统的影响等进行了研究；
At the same time, requirements for CO2 quality, pipe material, pipe transportation safety and impact of impurities on the CO2 pipe design and operating system have been studied.
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