Lietotāju komentāri - Rakstīt atsauksmi
Ierastajās vietās neesam atraduši nevienu atsauksmi.
Saturs
Published each month by the International Telecommunica | 507 |
A new method of predicting F2layer critical frequencies | 721 |
Trends in digital switching and ISDN | 736 |
Autortiesības | |
4 citas sadaļas nav parādītas.
Citi izdevumi - Skatīt visu
Bieži izmantoti vārdi un frāzes
activities addition administrations applications areas assistance broadcasting cable CCITT centres changes channel circuits Committee communications Conference connection cost countries direct economic edition electronic emergency call engineering equipment established exchange existing expert facilities Federal field Figure France frequency future Geneva Government important increase installed integrated ISDN Italy Limited maintenance means measurements meeting ment method mobile months munications Office operation organization Party period planning possible Posts prepared present problems programme Question radio received Recommendation regional relating Republic rural satellite separate signal standard stations Study Group subscriber switching technical tele Telecom telecommunication telegraph telephone television telex terminal tion traffic transmission transmit UNDP Union United users World