“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	resident disposable income resident fishes resident health archives management information systems residential area Residential Area of Baiwanzhuang residential area planning land balance table residential area road residential area standard Residential attenuation area residential behavior residential block residential building residential building density residential building depth residential building insolation distance residential building insolation standard residential building layout residential building length residential building unit residential building unit density residential civilization system residential cluster residential community residential community park residential construction area density

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。