由于网络中存在一类弧，增加这类弧容量不仅不能改善网络的堵塞程度，有时反而会更加恶化网络的流通性能。

There existed some arcs in the network, adding their capacities couldn't improve the degree of blockage, even worse off.

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另外，由于这种窗型具有良好采光性能和合理的空气流通性能，越来越多的国内建筑也开始选用这种开启方式的门窗。

Otherwise, because of good lighting and ventilation function, more and more internal constructions begin to choose this kind of window with the open method.

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每个业务单元都必须能够依赖于组成其流程的服务的性能、可靠性、完整性和流通性。

Each business unit must be able to depend upon the performance, reliability, integrity, and currency of services from which its processes are composed.

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