This paper introduces the redundancy backup scheme, describes the signal network and data network of redundancy HLR, and describes the redundancy procedure in detail.

本文介绍了移动运营商HLR的容灾备份方案，描述了容灾HLR系统的信令组网和数据组网，最后针对容灾步骤做了重点的介绍。

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However, Huang found that the network signal was poor at Zeng's home when he took books to the girl at the end of February.

然而，在2月底给这个女孩送书时，黄发现曾家里的网络信号很差。

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The two bottom layers, called the physical layer protocols, take care of the actual signal transfer over the network cable.

称为 物理层协议的两个底层处理网络电缆上的实际信号传输。

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The software covers text and icons including audio descriptions of the battery level and network signal.

BBC: Samsung struggles to block iPhone function for the blind

Another nice touch within Easy Experience is the notification drawer that provides WiFi, Bluetooth, alarm and vibrate toggles, along with huge battery life and network signal indicators.

ENGADGET: Pantech Flex review Mobile

The maneuver also required distributing fifty-seven tons of new maps, uprooting and reinstalling an extensive signal-wire network, and stockpiling fuel and ammunition, including shells for twelve hundred guns in the army's 108 artillery battalions.

WSJ: Book Review: The Guns at Last Light