“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	period length Period life table period-luminosity-color relation period-luminosity curve period-luminosity relation period mapping period-mass relation period matrix period-mean density relation period module period-n-tupling bifurcation period of a circulating decimal period of a class period of a continued fraction period of a decimal fraction period of a differential period of a function period of a group period of alternating current period of an element period of an ergodic class period of an oscillation period of a semigroup period of a wave period of coefficients

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。