覆盖网可以看成是一个全连通虚拟网络，前提是底层物理网络不能分隔开。
An overlay network can be considered a fully connected virtual network as long as the underlying physical network does not partition.
其中的一个服务就是让建立一个虚拟的工作站，让那些有技术的工人的信息发布在智能手机上，甚至在没有手机网络的情况下也可以覆盖到。
One service lets craftsmen create a virtual job docket with a few texts or touches on a smartphone, even without mobile-network coverage.
研究如何在理想状态下使分布达到覆盖度最大化，同时采用虚拟势场方法使节点作扩散运动，以消除网络感知重叠区。
How to maximize the coverage in ideal state is studied. By using virtual potential field, nodes repel each other, which eliminates the sensing overlapping regions.
CDN是一个建立并覆盖在互联网，并由分布在不同区域的节点服务器群组成的虚拟网络。
CDN is a fictitious network, covered in Internet and made up of nodal servers in different areas.
该文提出一种基于虚拟力的异构节点网络覆盖增强算法，该算法由计算几何和改进的虚拟力算法组成。
This paper presents a coverage-enhancing algorithm for non-isomorphic node network based on virtual force, which consists of computational geometry and improved virtual force algorithm.
本文研究了基于虚拟力的异构节点网络覆盖增强算法，从覆盖效率、覆盖均匀性等方面验证了算法的有效性。
In this thesis, a coverage enhancement algorithm based on virtual force of heterogeneous nodes is proposed and improved to be effective on coverage efficiency and coverage uniformity.
本文研究了基于虚拟力的异构节点网络覆盖增强算法，从覆盖效率、覆盖均匀性等方面验证了算法的有效性。
In this thesis, a coverage enhancement algorithm based on virtual force of heterogeneous nodes is proposed and improved to be effective on coverage efficiency and coverage uniformity.
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