The topological network of the call center based on the PBX decreases equipment capacity in the most limitation by far and brings down the cost of equipment.

本文提出基于程控交换机的呼叫中心网络拓扑，最大限度地减少了呼叫中心设备容量，降低了设备成本。

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Then we construct a capacity cost network from the debt credit degree network. Finally, by applying minimum cost circulation flow problem, we give a polynomial algorithm for this model.

然后由债务信度网络构造了容量费用网络，利用最小费用循环流问题给出了该模型的一个多项式算法。

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Based on the least mean network delay, network capacity optimized and network cost can be obtained.

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。

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Some mobile operators that are running both Wi-Fi networks and 3G networks say the cost of building more capacity in the Wi-Fi network is only 10% of the cost to do so in the 3G network.

FORBES: Making Wi-Fi '3G Secure' For Mobile Data Offloading