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卫星导航电文
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卫星导航电文
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卫星导航电文
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卫星导航电文
由导航卫星向用户播发的一组反映导航卫星的空间位置、工作状态、健康性息、卫星钟修正参数、电离层修正参数、信号传播时延参数以及导航历书等重要数据的二进制代码。是用户利用卫星导航信号进行导航定位时一组必不可少的数据。又称数据码。
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ancient lotus pond garden
Ancient Lotus Pond in Baoding
Ancient Macedonia
ancient magnolia in Dajue Temple
ancient map
Ancient maps unearthed from a tomb of the Han Dynasty
ancient maps unearthed from a tomb of the Qin Dynasty
ancient mathematics
Ancient Melody of Spring Sunlight
Ancient Mesopotamian Culture
ancient method of canal construction
ancient mixed cropping system
ancient multiple cropping system
Ancient Nuremberg
Ancient Observatory
ancient opera education
ancient organism
ancient oriental political systems
Ancient Osmanthus of Dayu Palace in Ningqiang
ancient paper of the Western Han Dynasty
ancient Persian law
ancient Persian medicine
Ancient Phoebe of Puzhao Temple in Dujiangyan City
ancient Phoebe zhennan S. Lee in Ya’an City
Ancient Plum and Marvelous Stone Parterre in Wuxi
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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