“X射线导航”的概念、定义、翻译、参考文献-科学参考

单词	X射线导航
释义	X射线导航 Encyclopedia 工学天文导航系统释 X-ray navigationX射线导航以X射线脉冲星或其他宇宙X射线源辐射的X射线光子作为观测信号，通过X射线探测器获取脉冲到达时间/方向等观测量，经过数据处理自主确定航天器位置、姿态和时间等参数的方法或过程。
随便看	user pays principle user plane user preference of information need user pressure regulating device user process user profile User profile/User Personas user range error User requirements user requirements user research users and interactive information retrieval users authentication authorization user's collaborative information retrieving behavior users'cost of fisheries resources user's diary description user's exploratory searching behavior user's perspective study user's psychology-behavior control mechanism user stack user study user survey method uses and gratifications approach U set U-set

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。