通信?communicate by letter; correspond
?telecommunications
與某人保持～關(guān)系keep up correspondence with sb/紅外線～ infrared ray communication/激光～laser communication/微波～microwave communication/無(wú)線電～ radio(or wireless)communication/地球同步～衛(wèi)星geostationary communication satellite/～設(shè)備communication apparatus(or equipment)/～線路communication line/～自由freedom of communication /～工程communication engineering;communication project/～聯(lián)絡(luò)signal communication（軍事）; communications and liaison/～錄address book/～能力telecommunications capacity /～網(wǎng)絡(luò)telecommunications network/～衛(wèi)星communication satellite;radio relay satellite; radio satellite/～衛(wèi)星公司（美） Communication Satellite Corporation (COMSAT)/～中繼站communication relay station/～自由freedom of correspondence/～兵signal corps/～員messenger;orderly |