贪婪算法是一种动态组播路由算法，该算法获得的通信树时延较大。
Greedy algorithm achieves low cost multicast tree whose delay performance is worse than other trees.
因此，近几年来，如何为集合通信操作建立“最优”通信树的问题受到了越来越多的关注。
So, in recent years, the problem of how to building "optimal" communication trees for collective operations has received much attention.
这一方法不仅利用二项树通信步中的规则性，而且利用了二项树拓扑结构的规则性。
The method exploits regularities both in the communication phases and in the topological communication structure of a binomial tree.
在网络通信模型的基础上，进一步结合蠕虫传播的特征，本文提出了蠕虫的攻击树模型。
Based on the network communication model and the characters of the worm's propagation, this article gives the attack-tree model of worm.
本文提出了求通信网络总可靠度的状态空间树法。
The state space tree method for finding communication network overall reliability is presented.
提出选择不同的树路由作为多播通信方案，以获得较低的综合代价保证网络负载均衡。
When multiple tree routes were selected as multicast communication solution, lower overall cost could be obtained to ensure network load balance.
该文提出了支持挖掘模型交换和移动通信客户流失分析的决策树算法框架。
This paper proposes a framework for decision tree construction algorithms that supports both model exchange and mobile communication churn analysis.
通信网络时延受限且满足带宽要求的最小代价组播树问题是NP完全问题，传统方法难以求解，一般采用启发式方法求解。
The problem of minimum cost multicast tree satisfying bandwidth request and delay-constraint in communication network is a NP-complete problem. It is difficult to be solved by traditional methods.
最优二叉树是一种十分重要的数据结构，在通信、工程及软件开发等领域有着广泛的应用。
The optimal B-tree is very important data structure, it is broadly applied in the fields of communicating and engineering, and so on.
编队内各导弹采用相邻局部通信，编队之间则通过各编队通信拓扑生成树的根节点进行通信。
The missiles within a group communicate by means of the nearest-neighbor topology, while communication between groups is implemented through the root nodes of the group topology spanning tree.
该方法可以评价全网范围内的节点重要性，通过比较生成树的数目，可以判断通信网中任意两个节点的相对重要性。
This method ranks the node importance over all nodes in a network. The relative importance of two nodes in a graph is compared in terms of the number of spanning trees.
逻辑密钥树方案是一种集中式的组播密钥管理方案，有效地减轻了组管理器和组成员的负担，但是却没有优化组通信初始化的过程。
LKH scheme is a centralized multicast key management scheme and it lightens the burden of the sever and group members efficiently, but it doesn't present the process of initialization clearly.
该方案有效地减少了网络中的多播通信量并降低了多播树的维护代价，却没有给多播数据传输带来太大的延迟。
This scheme lessens efficiently multicast traffic in network, and reduces multicast tree maintenance costs, but does not cause multicast data delivery to incur too large delivery delay.
贵树第二天早上离开，他们约定持续通信。
Guishu departs the next morning, and they promise to continue writing to each other.
根据频谱树以及基于最小时延的路由度量标准，建立路由以完成次要用户间的通信，同时提供了高效的路由维护机制。
By using the spectrum-trees and a new route metric about delay, the route, with an efficient route recovery method, can be established for the secondary users.
应用故障树分析法，可以提高变电站通信系统的可靠性分析水平， 并可作为新建变电站通信系统可靠性分析的理论依据。
Using FTA the analysis lever of SCS reliability can be improved and the results of the analysis can be used as the theoretical basis for the reliability analysis of newbuilt SCS.
应用故障树分析法，可以提高变电站通信系统的可靠性分析水平， 并可作为新建变电站通信系统可靠性分析的理论依据。
Using FTA the analysis lever of SCS reliability can be improved and the results of the analysis can be used as the theoretical basis for the reliability analysis of newbuilt SCS.
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