The Enhanced Position Location Reporting System Extended Frequency (EPLRS-XF) radio enables more efficient communication in congested battlefield environments, Raytheon officials said.

雷声公司官员说，增强型定位报告系统频率扩展型(EPLRS - XF)电台可以在信号拥堵的战场环境中实现更有效的沟通。

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Global Positioning system (GPS) is a radio navigation system which provides free users with accurate longitude, latitude and elevation of three-dimensional position information and time information.

全球定位系统(GPS)是为用户提供免费而精确的经度，纬度和海拔三维位置信息与时间信息的无线电导航系统。

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The radio broadcasting Network occupies a very important position in the radio computer integrated information system. It can be said it is the basis of digital broadcasting station.

广播全台网络是电台数字化的基础，因此在电台计算机综合信息系统中占据着相当重要的地位。

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The three fishermen's vessel didn't have an Emergency Position Indicating Radio Beacon, which transmits a distress signal anywhere in the world through a satellite system, the navy said.

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