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Portable devices are becoming lighter and more appealing. Books are being (1) into digital form b...

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is in favor of prohibiting passengers-use of electronic devices completely  has overestimated the danger of electromagnetic interference  hasn’t formed his own opinion on this problem  regards it as unreasonable to exercise a total ban during flight  
messages  certificates  applets  channel  
server  firewall  clinet  router  
server  firewall  clinet  router  
the radio apparatus fitted on the portside  the radio with a portable equipment  the radio equipment which is easily movable  the portable radio with some apparatus"  
conformance  relate  belong  secrecy  
1.95GHz  2.45GHz  4.45GHz  11.45GHz  
1Mb/s  11Mb/s  54Mb/s  100Mb/s  
They may have been caused by the damage to the radio systems.  They may have taken Place during take-off and landing.  They were proved to have been caused by the passengers, portable computers.  They were suspected to have resulted from electromagnetic interference.  
conformance  relate  belong  secrecy  
Fixed CO2, semi-portable CO2, then hand portable CO2  Semi-portable CO2, fixed CO2, then hand portable CO2  Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system  Hand portable, fixed CO2, then as a last resort the semi-portable CO2  
1.95GHz  2.45GHz  4.45GHz  11.45GHz  
Because it is extremely dangerous to conduct such research on an airplane  Because it remains a mystery what wavelengths are liable to be interfered with.  Because research scientists have not been able to produce the same effects in labs  Because expert lack equipment to do such research.  
they don’t believe there is such a danger as radio interference  the harmful effect of electromagnetic interference is yet to be proved  most passengers refuse to take a plane which bans the use of radio and cassette players  they have other effective safety measures to fall back on  
1Mb/s  11Mb/s  54Mb/s  100Mb/s  
a new regulation for all airlines  the defects of electronic devices  a possible cause of aircraft crashes  effective safety measures for air flight  
messages  certificates  applets  channel  

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