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日期:2024-08-05
cellular phone noun a hand-held mobile radiotelephone for use in an area divided into small sections, each with its own short-range transmitter/receiver [syn: cellular telephone]...
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日期:2024-07-29
Encyclopedia article about cellular phone. Information about cellular phone in the Columbia Encyclopedia, Computer Desktop Encyclopedia, computing dictionary. cellular phones ......
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日期:2024-07-30
Cellular communication is a convenient alternative for mobile applications or for locations where ordinary phone lines are not established. Cellular communication is advantageous over RF systems because an FCC-assigned frequency......
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日期:2024-07-31
The Mobile Telephone Service (MTS) is a pre-cellular VHF radio system that links
to the Public Switched Telephone ......
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日期:2024-07-30
A cellular network or mobile network is a
wireless network distributed over land ......
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日期:2024-08-01
Martin "Marty" Cooper (born December
26, 1928 in Chicago, Illinois, United ......
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日期:2024-08-01
Cellular telephone, sometimes called mobile telephone, is a type of short-wave
analog or digital telecommunication in ......
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日期:2024-08-01
Even if you don't own one yourself, you probably see dozens of people talking on
a cell phone every day. The rate at ......