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- maritime radio navigation service 海上无线电导航业务
- aeronautical radio navigation service 航空无线电导航业务
- radio navigation service 无线电导航业务
- Geometry dilution of position(GDOP) is very important in the navigation precision of territorial radio navigation system. 区域无线电导航系统中;几何精度因子(GDOP)对系统的定位精度有着非常重要的影响.
- Develop the reality of radio navigation system. There could be navigation of NDB or VOR, if existed in the history. 增强无线电导航系统的仿真度，可进行NDB或VOR导航，如果历史上有的话。
- An instance of bus navigation service based on Grid MLS is developed;and its application foreground is expounded. 实现了基于网格移动定位服务中公交导航服务的实例，阐述了网格移动定位服务的应用前景。
- Aeronautical radio navigation satellite service 卫星航空无线电导航业务
- The main items includes characteristic digital resourses construction,network reference service,electronic magazines,mutual borrow and navigation service. 主要项目包括:特色数字化资源建设、网上参考咨询服务、电子馆刊、馆际互借与文献传递服务、导航服务。
- Scheme is proposed of using a computer on sline and digital fil-tering technique to perform digital filtering and lane identification of the phase signals of a port radio navigation system . 本文提出了采用单片机和数字滤波技术对一种港口双曲线无线电导航系统的相位信号进行滤波处理和巷识别的方案.
- The second is a navigation service with computing technology, and voice processing technology to provide users with a practical road routes, such as car navigation services. 第二种是导航服务，结合运算处理技术以及语音技术，能够为用户提供切实可行的行进路线，比如车载导航服务。
- Economic forces are reshaping the provision of airports and air navigation services. 经济力量正重塑机场与空中导航服务的组织和操作。
- The design of car GPS Navigation is based partly on similar ground-based radio navigation systems, such as LORAN and the Decca Navigator developed in the early 1940s. 一般由外线与分机构成。
- Maritime Radio Navigation Land Station 航海无线电导航陆地电台(电信标志)
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- Maritime radio navigation mobile station 海上无线电导航移动电台
- The typewriter is at your service. 这台打字机随便你使用。
- Coverage area of radio navigation system 无线电导航系统覆盖区
- ship rs combat navigation service 舰艇战斗航海勤务
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- Radio Navigation Radar and Remote Control Aid 无线电导航雷达及遥控设备
