and they exist in both hemispheres, although those in the Northern Hemisphere are stronger. Airplanes flying eastward in a jet stream get a powerful boost, but those
The jet stream is like a river of west-to-east winds in the upper atmosphere. Airplanes use it like a highway. If flights are heading eastbound across the Atlantic, they surf the jet stream, usually shaving an hour or more off their journeys. Westbound flights take longer, ...
1. Why do airplanes take longer to fly west than east? It can take five hours to go west-east from New York (NY) to London but seven hours to travel east-west from London to NY. The reason for the difference is an atmospheric phenomenon (大气现象) known as the jet stream (气流)....
细节题。第一段告诉我们从纽约飞伦敦只需五小时但从伦敦飞纽约却需要七小时,其中的原因就是 jet stream,故正确答案为A。结果一 题目 What information can we get from the first passage?A.It is jet stream that affects how fast airplanes fly.B.Planes go slower when they are moving with the wind.C...
in the sky. Jet streams are found about six to nine miles above the Earth. Airplanes fly at about that same height, so a jet can fly in a jet stream. In fact, when an airplane is flying in the same direction as the stream of air, it can travel very fast and use up less fuel....
Such airplanes can face operational restrictions based on runway length or local noise restrictions. They can be the most expensive type of private jet as they provide the greatest space and capabilities. Approximate cost of a VIP airliners is $16022 - $23022. Average seating capacity of VIP ...
Jet Stream:A jet stream can be defined as long and high-speed currents of air that exist high above our planet. Jet streams move eastwards, northeastward, and southeastwards and only exist as a result of significant temperature differences in the atmosphere. Jet streams are associated with ...
1952: The world's first ever jet airliner - the De Havilland Comet 1 - sets off from London to Johannesburg on its maiden flight. ON THIS DAY At the time of Aviation Weekas report Airbus projected it would be producing eight A320s per month in late 1990 a- a number that was unheard...
Jet streams can also cause a bumpy flight, because the jet stream is sometimes unpredictable and can cause sudden movement, even when the weather looks calm and clear. During volcanic eruptions plumes of volcanic ash have a tendency to get sucked into the same jet stream that airplanes use for...
Jetairplanes and big trucks didn't exist yet. 2016年高考英语北京卷 完形填空 原文 Obviously you are suffering fromjetlag. 2015年高考英语重庆卷 完形填空 B 原文 英英释义 Noun 1. an airplane powered by one or more jet engines 2. the occurrence of a sudden discharge (as of liquid) ...