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No one likes jet lag. We get off a flight feeling wrinkled and exhausted and then head into a day full of meetings or jump full swing into a vacation.
没有人喜欢倒时差的感觉,我们不得不在刚下飞机的慵懒中一头扎进一整天的会议中,或者在疲倦中跳入一个如火如荼的假期。
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Harrier jump-jet hovers above an aircraft carrier deck. Its pilot relies on automated stability systems in order to control the aircraft. (Image is taken from U. S. Navy's Web site.)
一架鹰式喷射机在航空母舰上方盘旋。它的领航员根据自动化稳定系统控制飞机。(图片来自美国海军网站)。
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When particles in the jet strike a photon of visible or infrared light, they cause the photon to jump up in energy and become a gamma ray.
当喷流中的粒子撞击到可见光或者红外波长上的光子,将导致光子能量跃迁,形成伽玛射线。
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"The Invincible is relatively small, an old design and is built to serve the Harrier jump-jet - it is really hard to see the value beyond the scrap iron in this deal for the Chinese," Li said.
“无敌相对较小,是一个古老的设计和建造的服务鹞跳飞机-这是真的很难看到了中国在这个交易的价值超出了废铁,”李说。