无所不知 发表于 2025-3-23 11:12:20

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CRUMB 发表于 2025-3-23 15:37:14

https://doi.org/10.1007/0-387-32937-4as. Its service is initially intended for organizations with substantial information handling needs and has been offered first in London, then nationally through an inter-city network and internationally by satellite and undersea cable links.

upstart 发表于 2025-3-23 20:29:10

https://doi.org/10.1007/0-387-32937-4hort time ago there was nothing of the kind in the home market. A large part of this British success story is due to Racal Vodafone, a subsidiary of the Racal Electronics group, and Cellnet, an off-shoot of British Telecom — both of whom have been given a 25-year licence to establish a nationwide ce

SENT 发表于 2025-3-23 22:34:04

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诱惑 发表于 2025-3-24 04:41:03

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DAMP 发表于 2025-3-24 09:57:47

Cellular Telephones and Racal Vodafonehort time ago there was nothing of the kind in the home market. A large part of this British success story is due to Racal Vodafone, a subsidiary of the Racal Electronics group, and Cellnet, an off-shoot of British Telecom — both of whom have been given a 25-year licence to establish a nationwide cellular telephone network.

pacific 发表于 2025-3-24 11:45:59

https://doi.org/10.1007/0-387-32937-4as. Its service is initially intended for organizations with substantial information handling needs and has been offered first in London, then nationally through an inter-city network and internationally by satellite and undersea cable links.

Cerebrovascular 发表于 2025-3-24 16:03:03

https://doi.org/10.1007/0-387-32937-4hort time ago there was nothing of the kind in the home market. A large part of this British success story is due to Racal Vodafone, a subsidiary of the Racal Electronics group, and Cellnet, an off-shoot of British Telecom — both of whom have been given a 25-year licence to establish a nationwide cellular telephone network.

大厅 发表于 2025-3-24 20:39:20

https://doi.org/10.1007/0-387-32937-4Radiopaging is one of the most buoyant sectors in the telecommunications market. With over a quarter of a million Radiopagers already in use in the UK, British Telecom can claim prime position as the operator of the world’s largest national paging service. The market is growing at approximately 25 per cent per year.

革新 发表于 2025-3-25 00:57:41

Teubner Reihe WirtschaftsinformatikBritish Telecom, the principal supplier of telecommunications services in the UK, is one of world’s largest public telecommunications operators. With an annual turnover of nearly £8 billion, trading profits of £1480 million for the year 1984–85, and 235,000 staff on the payroll, it is also one of the UK’s largest companies.
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查看完整版本: Titlebook: Communications; Most Comprehensive G Manus Egan Textbook 1986Latest edition Macmillan Publishers Limited 1986 communication.industry.teleco