“卫星导航可用性”的概念、定义、翻译、参考文献-科学参考

单词	卫星导航可用性
释义	卫星导航可用性 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	Game of Death game of exhaustion game of Hex game of life game of logic game of Nim game of prescribed duration game of pursuit game of pursuit-evasion game of strategy game of survival Game of Thrones game of timing game on a graph game on the unit square game patches game place game play gameplay game playing game position game problem game program game program engineer game programming

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。