jet stream

英 [ˈdʒet striːm]

美 [ˈdʒet striːm]

n.  (地球高空的)急流; (飞机发动机的)喷气流

牛津词典

noun

• （地球高空的）急流
  a strong wind that blows high above the earth and that has an effect on the weather
• （飞机发动机的）喷气流
  the flow of gases from a plane's engine

柯林斯词典

• （地球高空对天气变化有重大影响的）急流
  Thejet streamis a very strong wind that blows high in the earth's atmosphere and has an important influence on the weather.

英英释义

noun

• a high-speed high-altitude airstream blowing from west to east near the top of the troposphere

双语例句

• She watched a jet stream grow wider and blur as its thin end rose higher into the blue sky.
  她看见黑玉色的一股水流，它的细端在高高的蓝天，向下渐渐变宽，边缘越来越不清晰。
• The results show that the dynamic functions of thermal advection, vorticity advection, coastal frontogenesis and air jet stream made great contribution to the explosive development of the cyclone.
  结果表明，温度平流和涡度平流、沿岸锋生以及高空急流的动力作用对气旋暴发性发展有重要贡献。
• The warm air becomes colder because of the lack of sunlight and is contained over the polar region by a jet stream.
  由于缺乏光照热空气变冷被高速气流包裹在极地地区上空。
• The reasons are as below, the Pacific jet stream or planetary waves in troposphere can directly affect the Pacific center of action of the AO.
  这主要是因为太平洋急流或准定常行星波在对流层中直接影响了位于该区域的北极涛动的活动中心。
• By using dynamical analysis technique and combining with observational facts of airplane turbulence, a formation mechanism on airplane turbulence in upper jet stream is studied.
  作者应用动力学分析方法，结合观测飞机颠簸的事实，对高空急流区飞机颠簸的一种形成机理进行了理论探讨。
• Furthermore, a mathematical method calculating the aerodynamic disturbing force of transverse jet stream is presented.
  给出了计算横向喷流气动干扰力的数学方法。
• A dynamic analysis is made of the occurrence of a low-level jet stream with emphasis placed on the circulation structure in the jet region as well as the effect of the cumulus convection on its formation and evolution.
  本文对一次低空急流过程的数值模拟结果作了动力学分析，着重讨论了急流区的环流结构及积云对流对其发生、发展的影响。
• And we switched out of El Nino into what we call a La Nina situation, which keeps the jet stream really out of the path of these westward-moving hurricanes.
  我们已从厄尔尼诺现象转而进入拉尼娜。这些飓风便可顺利西进，没有什么气流能阻挡它们。
• Study of Output of the Tunable CW Jet Stream Dye Laser
  喷流式环型连续染料激光器的输出研究
• The influence of low-level jet stream and nonuniform stratification on the propagation and development of INERTIA-GRAVITY wave
  低空急流和非均匀层结条件下重力惯性波的传播与发展