In conclusion we note the following general items concerning flow in supersonic nozzles.最后,我们归纳几个关于超音速喷管流动的一般原则.Four nozzles , canted outboard, split the exhaust of the solid rocket motor into four equal tails.四个向外倾斜的喷管把...
The cactus has spines.仙人掌有刺.A hedgehog's spines point backwards.刺?的刺毛是向后长的.News stories of genocidal revenge killings are sending chills down our spines.相互残杀报复的灭族事件此起彼落,教人闻之不禁胆颤齿寒.One of the sharp hollow spines of a...
Custom forbids any modernisation.传统习惯阻碍着现代化的进程。The present Marcus Wallenberg is driving the latest modernisation.现在这位马库斯?瓦伦堡正在引领最新的现代化.Talk of modernisation has not removed basic disagreements.现代化并不能解决其根本的意见分歧.This influ...
Riyadh got 25 mm of rain in just 12 hours...利雅得在12小时内降水就达25毫米。In Riyadh Saudi Arabia doctors successfully separated a pair of conjoined twins.在沙特利雅得的一家医院,医生们成功分离了一对连体婴儿.Riyadh is not the place for scoring dramatic breakt...