In the department of telecommunication, it is an important task to collect realtime fees of telephone, mobile phone and BP phone.

在电信部门，如何进行电话、手机和BP机实时收费是一项重要的任务。

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Background noise reproduction for the evaluation of telecommunication devices, such as a mobile phone, was investigated using the measurement of spherical microphone arrays.

本文通过球面传声器阵列测量法，研究了用于评估通信设备(例如移动电话)的背景噪声重放问题。

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With the rapid development of telecommunication technology, mobile phone has become a necessity in daily life.

随着通信技术的飞速发展，手机已经成为日常生活中的必需品。

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In 2012 a report carried out by the International Telecommunication Union found that there were six billion mobile phone subscriptions worldwide.

BBC: Mobile phone celebrates 40th anniversary

There were nearly 6 billion mobile phone subscriptions worldwide in 2011, according to the International Telecommunication Union, a branch of the United Nations.

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