“satellite navigation availability”的概念、定义、翻译、参考文献-科学参考

单词	satellite navigation availability
释义	satellite navigation availability Encyclopedia 工学全球卫星导航系统释 satellite navigation availability卫星导航可用性卫星导航系统在其服务空域内能为载体提供可用导航服务的时间百分比，是对满足服务性能标准的时间累计效应的统计。
随便看	microscope microscope base microscope-micrometer microscope objective microscope of universal toolmaker microscope optical measurement instruments microscope system microscopic analysis microscopic causality microscopic cell electrophoresis microscopic colitis microscopic components of coal analysis microscopic crack microscopic cross-section microscopic electromagnetic fields microscopic holography microscopic location of crude drug microscopic model of ideal gas microscopic neutron cross section microscopic parallelism microscopic particle microscopic particle of matter microscopic petrological types microscopic photogrammetry/ nanophotogrammetry microscopic photography of crude drug

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