“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	climate change adaptation Climate Change and World Heritage climate change at suborbital time scale Climate Change Conference in Paris climate change coping climate change economics climate change impact climate change in geological period climate change levy climate change mitigation climate change modelling climate classification climate comfortableness climate compensator climate connection of north and south hemisphere climate divison of crop cultivated limit climate fertility climate index climate migration climate negotiation climate of China climate of Qingzang Gaoyuan climate paleogeography climate politics climate regulation theory

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。