“罗兰导航系统”的概念、定义、翻译、参考文献-科学参考

单词	罗兰导航系统
释义	罗兰导航系统 Encyclopedia 工学导航与定位系统释 long range navigation system罗兰导航系统采用脉冲体制的双曲线无线电导航系统。
随便看	National Assessment of Educational Progress national asset unfreezing scam national assimilation National Association for Stork Car Auto Racing National Association for the Advancement of Colored People，U.S. National Association for the Education of Young Children National Association of College Stores national astro-geodetic network national astronomical data center National Astronomical Observatories, Chinese Academy of Sciences national astronomical observatory National Astronomical Observatory of Chile National Astronomical Observatory of Japan National Astronomical Research Institute of Thailand National Astronomy and Ionosphere Center national atlas National Automobile Quality Supervision and Inspection Center（Beijing Tongzhou） National Autonomous University of Honduras National Autonomous University of Mexico National Autonomous University of Nicaragua national autonomy National Autonomy Party National Award for Excellent Publishing Scientific Research Paper National Award for Natural Sciences National Award for Science and Technology Progress

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。