用户通信代价是分布式系统性能的一个重要方面。
Communication cost is an important aspect of the performance of distributed systems.
相对目前的一些方案，本文方案具有更小的通信代价和计算代价。
Compared with current schemes, our schemes have lower communication cost and computational cost.
特别是当今越来越普及的移动计算环境下，降低通信代价的意义尤其重大。
It is of significant value to reduce users' communication cost to the lowest possible degree, especially in the mobile computing environment that is becoming more and more prevailing.
该方案具有数据传输安全、鲁棒性、通信代价更小、执行效率更高等特点。
The scheme has more secrecy of data transmission, robustness, requires less communication cost and performs efficiently etc.
现有的无响应流控制方法存在某些缺陷，如通信代价过高，或者适用面过于狭窄。
Methods for unresponsive flow regulation either have high communication costs or have very narrow applications.
与同类方案相比，该方案不仅具有最优的信息率，而且花费很小的计算和通信代价。
Compared with the similar schemes, the proposed scheme not only has maximum information rate, but also has far lower computation and communication cost.
通过对用户数据采用更为灵活的数据分布算法，可以有效地降低用户付出的通信代价。
Users' communication cost can be effectively reduced by employing some more flexible data distribution algorithms for users' data.
该算法使得簇头节点间通信代价耗费降低，仿真结果说明了该算法的可行性和有效性。
This algorithm makes the communications consumed lower between the cluster head nodes, the simulation results show the feasibility and effectiveness of this algorithm.
而且，该算法采用了有效的迭代剪枝技术，大大压缩了候选模式的数量，降低了通信代价。
Moreover, this algorithm adopts an effective iterative and pruning strategy that could compress the scale of candidate patterns and reduce the communication cost.
该算法以切片为单位来划分和组织体数据，既降低了通信代价，也保证了各子任务的数据局部性。
In order to reduce the communication cost, as well as to guarantee the locality of all subtasks, the volume data are divided and organized as a series of slices.
分布式数据库设计的主要目标之一就是数据处理的本地性，即使数据尽可能存放在使用它们的应用所在的节点上，从而减少远程访问所需的通信代价。
One of goal of distributed database design is data processing locally, namely allocating fragments to the issuing sites so that the remote communication cost will be reduced.
对于Internet进行这样的搜索，其代价非常昂贵，Web内容与索引程序进行通信所需要的带宽以及对结果进行索引所需要的计算成本都很高。
Searching the Internet like this can be expensive, both in terms of the bandwidth required to communicate Web content to the indexer and also the computational expense of indexing the results.
网络代价直接影响MAS通信性能，特别是在服务器过载情况下影响更为明显。
Network cost directly affects the communication performance of MAS, especially when the server is over loading.
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.
卫星通信是通讯领域的研究成果，其目的是以尽可能少的代价获得不断增加的范围和容量。
Satellite communications is the field of communication research, which aims to obtain the lowest possible cost of increasing the scope and capacity.
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.
在满足平均网络延迟时间最小的基础上，通过计算可获得优化的通信网络容量和网络代价。
Based on the least mean network delay, network capacity optimized and network cost can be obtained.
片上网络拓扑结构是目前的一个研究热点，是研究其它片上网络问题的基础，对网络的性能、通信可靠性、硬件实现代价和复杂度都有重大影响。
NoC topology is currently a research focus. NoC topology has a significant impact on network performance, communication reliability, cost and complexity of hardware implementation.
安全性分析和性能分析显示，新协议以较低的代价实现了通信双方的安全通信。
The results of security analysis and efficiency analysis show that the new protocol realizes the secure communications under the low computational cost.
下一代移动通信的目标是以最低的代价（带宽、功率、复杂度）为日益扩大的用户群提供更加可靠、高速的宽带数据业务。
The next generation mobile communication systems aim at providing higher quality and data rate transmission at the minimum lost (power, bandwidth or complexity ) in finite wireless resource.
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.
针对各种交通信息的实时更新，提出了最优代价模型以实现真正的最优路径规划。
Considering the real-time traffic information updated, optimal cost model is proposed to realize the optimal route planning.
由于湖北地区移动通信高端市场日趋饱和，大客户市场竞争日益激烈，服务竞争已逐渐取代价格竞争。
As the higher level market of hubei mobile telecom is getting saturated and the market of big clients is getting more fierce, the service competition has replaced the price competition.
由于湖北地区移动通信高端市场日趋饱和，大客户市场竞争日益激烈，服务竞争已逐渐取代价格竞争。
As the higher level market of hubei mobile telecom is getting saturated and the market of big clients is getting more fierce, the service competition has replaced the price competition.
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