High-frequency band-pass filters(several hundred MHz) are used for Channel selection in telephone central offices.

高频带通滤波器（几百 MHz）用于电 话中心局的信道选择。

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Install electromechanical, analog and digital trunking systems, circuits and equipment in telecommunications central offices and switching centres.

在电信中心办公室和交换中心安装工机电，模拟和数字集群系统，电路和设备。

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He says the ICC, with more than 2.5 million square feet of office space, is now 97% rented, at prices less than half the cost of top-end Central offices.

他说ICC的办公面积超过了250万平方英尺，现在出租率是97%，价格比市中心最高价格便宜一半。

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At the time, Tillman was regional vice president for store operations at the central offices in North Wilkesboro.

FORBES: Merchant Princes

MLB's central offices have 30.8 percent people of color.

WSJ: MLB improves diversity among senior administration

Many have commented that the Vatican's central offices, even aside from the scandal of Vatileaks, need an overhaul, and that the most urgent task for the next pope will be organisational reform.

BBC: Viewpoint: The pope as CEO