Therefore, it has practical significance to develop TETRA digital trunked system equipment which has independent intellectual property rights.
因此，开发具有自主知识产权的TETRA数字集群系统设备具有实际意义。
In 1998, ETSI publicized TETRA protocal, which is a standard of digital trunked radio communication system.
TETRA协议是欧洲电信标准协会(etsi) 1998年公布的一种数字集群通信系统标准。
The latest generation of the digital trunked system TETRA, which is defined by the European Telecommunications Standards Institute (ETSI), is one of the most advanced mobile communication systems.
ETSI发布的欧洲新一代全数字集群系统TETRA是当今最先进的移动通信系统之一。
The latest generation of the digital trunked system TETRA, which is defined by the European Telecommunications Standards Institute (ETSI), is one of the most advanced mobile communication systems.
ETSI发布的欧洲新一代全数字集群系统TETRA是当今最先进的移动通信系统之一。
应用推荐