资源超量使用对于虚拟化收益最大化以及研究开发都至关重要。
Resource overcommitment is crucial to maximizing the benefits of virtualization and the subject of much research and development.
认为数字图书馆有必要通过用户认证和访问授权的机制对虚拟用户进行管理，并研究他们访问和利用数字资源的规律。
It is indispensable for the digital library to manage the virtual patrons with authentication and authorization and to probe the laws of their access to and use of digital resources.
针对虚拟实景空间漫游系统中资源调度问题进行了研究，提出了相关算法。
This paper studies the resources scheduling problem in virtual real image-based walkthrough system and presents relative algorithm.
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