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。
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。
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。
Introduces the principles of WKTCT system radio mine locator, by appling it on Duerping coal mine 62312 face, forecasts each struction unusual areas, to directly show the area′s position and size.
介绍了WKT CT系统无线电坑透仪的基本原理，通过该系统在杜儿坪矿62 31 2工作面的成功应用，圈定各异常区，揭示了该工作面隐伏构造的位置及大小。
In the operation of offshore engineering, the form of positioning measurement is transferred from radio positioning to differential global position system (GPS) gradually.
海上工程作业中定位测量已由原先的无线电定位逐步过渡到差分GPS定位。
Radio navigation makes use of wireless wave, which can be divided into land-based and space-based system according to the position of base point.
无线电导航是利用无线电电波的波速进行导航的方法，根据导航基点可分为陆基导航和空基导航。
Radio navigation makes use of wireless wave, which can be divided into land-based and space-based system according to the position of base point.
无线电导航是利用无线电电波的波速进行导航的方法，根据导航基点可分为陆基导航和空基导航。
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