[; ]the technology of sending messages over long distances by radio, telephone, television, satellite , etc.电讯学;电讯;通信◆technological developments in telecommunications电讯技术的发展⨁a telecommunications business / carrier / company / group / operator / provider电讯业务/载体/公司/集团/运营商/提供商⨁the telecommunications industry / market / sector电讯产业/市场/部门⨁telecommunications equipment / technology电讯设备/技术⨁a telecommunications infrastructure / link / network / system电讯基础设施/链接/网络/系统