Sounding rocket in 3000 km at high altitude still find a rarefied atmosphere, it was felt that the atmosphere on the sector may be extended to around 6,400 km from the ground.
英
美
释义
探空火箭在3000公里高空仍发现有稀薄大气,有人认为,大气层的上界可能延伸到离地面6400公里左右。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2025 海词词典(Dict.cn)
立即下载