“卫星导航时间系统”的概念、定义、翻译、参考文献-科学参考

单词	卫星导航时间系统
释义	卫星导航时间系统 Encyclopedia 工学全球卫星导航系统释 satellite navigation time system卫星导航时间系统用于精确描述天体和人造卫星运行位置及相互关系的卫星导航的重要基准系统。
随便看	policy bank statistics policy-based insurance policy change cycle policy change dynamics policy choice policy community policy competition policy conflicts and elimination policy cost policy design policy design research policy diffusion policy effect evaluation method policy entrepreneur policy evaluation policy evaluation object policy evaluator policy experiment and policy promotion policy for the construction of important agricultural production bases policy for transformation of resource-based cities policy holder policyholder policy impact evaluation policy implementation policy implementation movement

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。