At the Mobile World Congress here this week, some phone makers are responding by introducing devices with a twist, hoping that they can grab a buyer's eye with a unique feature like 3-d capabilities.

这里，本周举办的全球移动大会上，一些手机制造商通过绞尽脑汁，来介绍他们的手机配置，希望能够用通过三维这样的独特技术抓住买者的眼球。

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When some mobile devices need to get a lot of resources from the Internet, they must be configured a unique IP address, and maintain communications with the corresponding nodes through the gateway.

当移动设备访问互联网海量资源时，它们必须配置唯一的IP地址，才通过网关与对应节点通信。

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Hacking group AntiSec (connected to Anonymous and LulzSec) made some bold claims Tuesday that it had obtained the unique device identifiers (UDIDs) of 12 million iOS devices from an FBI laptop, setting more than a few people on edge.

ENGADGET: Apple denies giving FBI any iOS device UDIDs, raises questions over AntiSec claims

While some carriers still use phone numbers to identify specific user devices or accounts, Apple has abandoned them in favor of unique device IDs (UDIDs).

FORBES: Will Facebook Messenger Kill Off The Phone Number?