无言无畏 发表于 2007-4-14 16:15 “北斗导航系统是主动式双向测距二唯导航,地面控制。”? 如果的确是这样的话,接收终端岂不是无法保持无 ...
Undo
Redo
Table
Removeformat
Autotypeset Left Center Right
FloatLeft FloatRight Orderedlist Unorderedlist
点击图片添加到帖子内容中
Archiver|手机版|小黑屋|52RD我爱研发网 ( 沪ICP备2022007804号-2 )
GMT+8, 2024-3-29 15:29 , Processed in 0.043405 second(s), 16 queries , Gzip On.
Powered by Discuz! X3.5
© 2001-2023 Discuz! Team.