In computer field in the nowadays, the network safety is one of the most popular problem, but that the network defense on self's own initiative is that the network safety is important one ring then.

在当今计算机领域中，网络安全是最热门的课题之一，而网络主动防御则是网络安全重要的一环。

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On rough-weather days of winter when farm folks were forced to remain in the house, someone would ring us and ask Dad to play, and usually it developed into a network affair.

当严冬季节将务农的人们困在室内的时候,就会有人给我们打电话,请爸爸给他们拉小提琴。 久而久之,这慢慢成为了一种社交生活。

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Quick Tip: Beware GPRS (mobile web) charges – probably best that you ring your network helpline and inquire about data charges.

小提示：当心 GPRS（手机网络）费用 - 你最好打电话给网络热线询问一下数据收费的问题。

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Because I wanted to know, you know, is this something that is, goes from the bottom of the police department all the way up and you have a network or ring of cops working together?

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The network will be laid in a 15km ring around the city and will build on an existing fibre network which serves luxury flats and student accommodation.

BBC: Sheffield in broadband fast lane

They work by detecting the characteristic high-power radio transmission a phone makes when it tells the network it is ready to ring.

CNN: Technology - Alcatel personalizes vibrating phone alerts