The International Telecommunications Union estimates that 4.6 billion mobile phones are in use at the moment.

国际电信联盟估计现在全球在使用中的手机有46亿部。

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The International Telecommunications Union (ITU) recommends a maximum 150-millisecond one-way end-to-end delay.

国际通信联合会(ITU)推荐最大150毫秒的单向端到端延迟。

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Italy's Ministry of Economic Development and the International Telecommunications Union organized the conference.

意大利经济发展部和国际电信联盟(itu)组织联合举办了此次会议。

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The International Telecommunications Union estimates that 4.6 billion mobile phones are in use at the moment.

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The claims are relatively easy to make because the International Telecommunications Union, the wireless industry standards body, hasn't set a firm 4G definition.

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"Access to broadband in an affordable manner is our greatest challenge, " Dr Hamadoun Toure, secretary general of the International Telecommunications Union (ITU), told BBC News.

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