第二章：基于网络互动模式的电子商务虚拟实践环境分析与设计，主要利用统一建模语言语言UML进行系统分析与设计，给出系统功能模块图。
The second chapter introduce the system analysis and design, it use UML to model, and give the system function module diagram.
由于我很讨厌 “最佳实践”这个词，我将以关于如何更好地优化一个虚拟化环境的讨论来结束本文。
Since I detest the term "best practices" I’ll close with some final thoughts on how best to optimize a virtualized environment.
在一个虚拟的环境，它是平安的，有能够发生与实践条件和状况下，起重机操作能够是稀有的或不正常状况有能够的话。
In a virtual environment, it is safe and possible to produce and practice the crane operations in conditions and situations that might be rare or not normally be possible at all.
具体实践中，有探索学习模式、自主学习模式、协同学习模式、案例教学模式和虚拟环境模式等五种模式。
In actual practice, it displays five patterns: learning exploration pattern, autonomous learning pattern, cooperative learning pattern, case teaching pattern and virtual environment pattern.
同时本文综合理论和实践的研究，给出了用于培养初中生空间能力的虚拟环境系统设计的十大原则，以期对虚拟现实技术的教育应用提供一定的参考。
For the reference usefulness, I provide ten principles in designing Virtual Environment system for cultivating spatial ability of the kalends according the literatures of theory or practice.
MIMICVirtualLab（思科虚拟实验室）能够产生带有思科路由器和交换机的真实地网络实验环境，它提供了以实践为主导的学习体验而无需购买昂贵的设备。
MIMIC Virtual Lab BSCI creates a real world lab environment with a network of Cisco Routers and Switches. It gives hands-on learning experience without buying expensive equipment.
MIMICVirtualLab（思科虚拟实验室）能够产生带有思科路由器和交换机的真实地网络实验环境，它提供了以实践为主导的学习体验而无需购买昂贵的设备。
MIMIC Virtual Lab BSCI creates a real world lab environment with a network of Cisco Routers and Switches. It gives hands-on learning experience without buying expensive equipment.
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