数字显示着更小的增长高度，从事Second Life基地的用户正在增强它对虚拟世界的兴趣，甚至为Second Life呼吁，要求新用户减少。
The Numbers suggest that a smaller, highly engaged base of Second Life users is intensifying its interest in the virtual world even as Second Life's appeal to new users fades.
“铁路选线工程数据库管理系统”作为“虚拟环境铁路选线设计系统”的一个子系统，既是它的信息储存基地，又是它的信息处理工具。
As an important part of virtual environment railway location design system, railway location engineering database management system is base of storing information and tool of dealing with information.
利用所提出的方法计算了江苏省千万千瓦级风电基地的可信容量，并研究了虚拟机组的参数对风电可信容量的影响规律。
Additional research was carried out using the proposed model, including evaluation of wind credible capacity of Jiangsu wind power base and the study on the impact of virtual unit parameters.
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