“子午仪卫星导航系统”的概念、定义、翻译、参考文献-科学参考

单词	子午仪卫星导航系统
释义	子午仪卫星导航系统 Encyclopedia 工学“子午仪”卫星导航系统释 transit satellite navigation system子午仪卫星导航系统美国海军研制、开发和管理的第一代卫星导航定位系统。又称海军导航卫星系统（navy navigation satellite system，NNSS）。
随便看	pine family Pine forests on flat pine gall rust disease pine in Jinan City pinellia rhizome pinellin pine marten pinene pine needle rust pine oil for flotation pine oleoresin pine pollen Pine Ridge pine root oil pine seed oil pine-seed oil Pines in Fairy Hall by Wang Jian Pine Trees ,plum blossomH by Hongren pi-network pine wilt disease Pine Wind Painting Society pine wood nematode disease pinewood wilt nematode Pine、Plum Blossom and Two Red-crowned Cranes by Shen Quan pin-feather

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。