“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	gravitation law gravitation theory gravitino gravitoelectromagnetism gravitomagnetism graviton gravitophotophoresis gravitropism gravity gravity acceleration gravity air classification equipment gravity anomaly gravity anomaly interpretation gravity anomaly separation gravity assist gravity-based structure gravity basis-points gravity basis-points nets gravity beneficiation machinery gravity blending silo gravity bottle gravity cage with floating collar gravity casting gravity center gravity center energy

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。