“精密星历服务”的概念、定义、翻译、参考文献-科学参考

单词	精密星历服务
释义	精密星历服务 Encyclopedia 工学GNSS精密定位释 precise ephemeris service精密星历服务利用卫星系统地面控制站或地面跟踪站观测数据，按照一定的数学方法计算的卫星星历，对外提供精密定位服务。
随便看	spectral line spectral line absorption spectral line broadening spectral line broadening mechanism spectral line correlation spectral line emission spectral line formation spectral line half width spectral line intensity spectral line narrowing spectral line of absorption spectral line of emission spectral line of radio astronomy spectral-line photometer spectral line profile spectral line receiver spectral line self absorption spectral line self-absorption spectral line self reversal spectral line self-reversal spectral line shape spectral lineshape spectral line shift spectral line source spectral line splitting

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。