Based on the scenario given by the experts from the World Meteorology Organization and International Civil Aviation Organization, the effects of the current emission by subsonic aircraft on the surface ultra violet radiation is estimated by a radiative transfer model.
根据世界民航组织和世界气象组织有关专家对当前亚音速飞机排放量的估计和将来20年内增长的预测，用辐射传输模式估算了飞机排放物对地面紫外辐射水平的影响。
the range of a supersonic jet;
超音速喷气式飞机的航程;
Residents have been complaining of the" boom" which is heard whenever a jet breaks through the sound barrier.
居民们一直抱怨喷气式飞机在作超音速飞行时所产生的“音爆。”
hypersonic ramjet engine
高超音速冲击式空气喷气发动机
The first jet airliners capable of supersonic speeds will carry more than one hundred passengers at two thousand two hundrend kilometers perhour.
第一批能够超过音速的喷气式飞机时速为每小时2200公里，可运载100多位乘客。
the Concorde is a commercial supersonic aircraft.
协和式飞机是超音速的商务飞机。
That new supersonic jet liner has a reputation, for being able to keep on flying for long distances at high altitude without stopping.
那种新式超音带喷气客机以能持续在高空作长距离飞行而著称。
When a jet reaches the speed of sound, an extreme pressure disturbance build up just at the head of it.
当喷气式飞机达到音速时，就在它前方形成一个巨大的压屏。
supersonic combustion ramjet
超音速燃烧冲压喷气发动机
He hated the deafening noise of a jet plane.
他讨厌喷气式飞机震耳欲聋的噪音。
The top speed of the jet plane is twice as great as an ordinary one.
喷气式飞机的最高航速是普通飞机的2倍。
aerodynamic wave drag
【航空】超音速飞机的空气震波阻力
"supersonic ""rocket"" burner"
"超音速""火箭式""喷燃器"
Computer aided design of supersonic jet nozzle for jet mill
超音速气流粉碎机喷嘴计算机辅助设计
Such high-speed jet aircraft have a speed of 700m.p.h.
这样高速喷气式飞机的速度为700英里/小时。
a prototype supersonic aircraft
超音速飞机的样机.
the rake of a jet plane's wings.
喷气式飞机机翼的倾斜
single subsonic jet
单亚音速喷气发动机
supersonic turbo jet
超声速透平喷气发动机