[填空题]
{{B}} A=Nokia
B=Ericsson C=Philip D=Siemens
E=Motorola
Which mobile phone(s) ...
{{/B}}
Once the exclusive domain of executives with expense accounts,
the mobile phone is set to become one of the central technologies of the 21st
century. Within a few years, the mobile phone will evolve from a voice-only
device to a multi-functional communicator capable of transmitting and receiving
not only sound, but video, still images, data and text. A whole new era of
personal communication is on the way.
Thanks in part to the
growth of wireless networks, the telephone is converging with the personal
computer and the television. Soon lightweight phones outfitted with
high-resolution screens -- which can be embedded in everything from wristwatches
to palm held units -- will be connected to series of low orbit satellites
rambling people to talk, send and receive e-mail, or take part in video
conferences anytime, an