The system contains three networks which is locale, commonality GPRS network and monitoring center part.

系统包括现场部分、公共gprs网络部分和监测中心部分，具有三层网络结构。

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With the current technologies, it is a phased process to build three networks convergence in campus network.

在现有的技术条件下，建设校园网的三网融合是一个需要分阶段逐步完成的过程。

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Now the IPTV is a powerful impetus to the integration of three networks, but the process of integration of three networks is not achieved overnight.

现在兴起的IPTV对三网融合虽然是有力地推动，但是同时也指出三网融合的过程不是一蹴而就的。

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Akhonzadeh said Iran seizes about three tons of opium on its border every day, noting that drug profits are used to fund terrorist networks in Afghanistan.

VOA: standard.2009.03.27

No longer did 90% of TV-watching Americans tune in to one of three networks.

FORBES: Apple The Outlier

Twenty years ago three networks accounted for 90% of the peak audience in America.

ECONOMIST: Star turn

These networks could be used to distribute channels beyond the big three networks.

FORBES: Big Broadband's Secret Plan to Deliver Wildly Popular Content and Apps to Happy Consumers