Mobile telephony

（重定向自Cellular telephony）

Mobile phone subscriptions, not subscribers, per 100 inhabitants 1997-2007

This Railfone found on some Amtrak trains in North America uses cellular technology.

Cellular phones allow people to communicate from almost anywhere at their leisure.

Mobile telephony is the provision of telephone services to phones which may move around freely rather than stay fixed in one location. Mobile phones connect to a terrestrial cellular network of base stations (cell sites), whereas satellite phones connect to orbiting satellites. Both networks are interconnected to the public switched telephone network (PSTN) to allow any phone in the world to be dialed.

单词	Cellular telephony
释义	Cellular telephony 英语百科 Mobile telephony （重定向自Cellular telephony） Mobile telephony is the provision of telephone services to phones which may move around freely rather than stay fixed in one location. Mobile phones connect to a terrestrial cellular network of base stations (cell sites), whereas satellite phones connect to orbiting satellites. Both networks are interconnected to the public switched telephone network (PSTN) to allow any phone in the world to be dialed.
随便看	top arrangement的意思 to parse的意思 to part cable的意思 to part company的意思 to partition的意思 topartron的意思 to party的意思 top aspect的意思 to pass的意思 topass的意思 to pass a bill的意思 to pass...along的意思 to pass an examination的意思 to pass away的意思 to pass by的意思 top assembly drawing的意思 to pass gas的意思 to pass judgment的意思 to pass out的意思 to pass the ball的意思 to pass the buck的意思 to pass the time的意思 to pass the time of day的意思 to pass through的意思 to pasture的意思