More recently, H-P in 2008 launched an EliteBook line of laptops that lets the user access email, calendars and contacts without having to power up the computer.

2008年，惠普还推出了EliteBook系列笔记本电脑，用户可以在不启动电脑的情况下，收发电子邮件、使用日历和联系人功能。

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This paper introduces the principle of spread spectrum communication, stresses the application of spread spectrum technique, and summarily introduces the broadband access technology of power line .

本文介绍了扩频通信的基本原理，重点论述扩频通信技术在家庭测控网络中的应用，同时介绍了电力线宽带接入技术。

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Because power line communication has several advantages, such as no need of new wire and low cost, it has drawn a lot of attentions in the fields of intelligent home LAN and broadband access.

由于电力线通信不需重新布线，成本低廉等优点，在智能家庭网络和宽带接入等领域受到了极大的关注。

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In Somerset there are 500 homes without power after snow and ice made access to necessary power line repairs difficult.

BBC: Temperatures set to drop further

Initially, it established relationships with utility companies so it could, for instance, request that a power company seal a manhole that provides access to a key power line for a government agency.

WSJ: U.S. Program to Detect Cyber Attacks on Infrastructure

All of the new line of computers boast a 250-watt power supply, a sliding front door allowing for easy access to four USB ports and dual optical disk bays.

FORBES: Magazine Article