At each end of the fibre, optical signals must be converted to or from the electrical signals that computers use to process information.

在纤维的各端，必须将光信号转换成电信号或者将电信号转换成光信号，计算机用电信号处理信息。

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But at each end of the fibre, optical signals must be converted to and from the electrical signals that computers use to process information.

但在纤维的各端，必须将光信号转换成电信号或者将电信号转换成光信号，计算机用电信号处理信息。

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When those pulses arrive at the other end of a fibre they, in turn, trigger the release of more neurotransmitters.

当脉冲到达神经纤维的另一端时，反过来，会触发更多的神经递质的释放。

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"An increase of 3.1Mbps (34%) in UK broadband speeds is significant, but this is entirely down to the increased availability of fibre optic services and these do not come cheap - you could end up paying five times as much for fibre optic as you would for standard ADSL, " said Dominic Baliszewski, the website's telecoms expert.

BBC: Average UK broadband speeds hit double figures

Those that have managed to build a textile industry, such as Lesotho and Mauritius, have suffered from Chinese competition and the end of the Multi-Fibre Agreement, which set quotas for exports from poor countries.

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It has also invested heavily in the crowded market for broadband infrastructure, building a 30, 000-kilometre fibre-optic network that will connect up more than 100 European cities by the end of next year.

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