jet stream

noun

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

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

1. Japanese cyclones typhoons in the Pacific, hurricanes in the Atlantic are normally spawned in the South Pacific and often travel up the same jet stream Typhoon ally that sent pioneering Circumnavigators along the east coast of Japan toward San Francisco.
   日本旋风（太平洋的台风和大西洋的飓风）通常生成于南太平洋，它经常搭乘的正是那股把环球航行者沿日本东海岸送往旧金山的急流&台风盟军（TyphoonAlly）。
2. 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。
3. 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。
4. That cold was drawn into the interior of the country by a loop in a current called the jet stream that allowed Arctic air to spill southward.
   冷空气是被一个名为高空急流的气流循环带到美国本土的内部，这让北极的冷空气南下。
5. A few recent scientific papers say that such long-lasting kinks in the jet stream have become more likely because global warming is rapidly melting the sea ice in the Arctic, but many leading scientists are not convinced on that point.
   一些最近发表的科学论文说，高空急流中这种持续较长的怪现象，由于全球变暖正在导致北极地区海洋中的冰迅速融化而变得更可能发生，但许多主要的科学家还没有被这种观点说服。
6. When water passes from pressure water pipe to the spray head, it forms a jet stream, which forces the turbine work.
   水斗式水轮机具有结构紧凑、运行稳定、操作方便等特点。是适合于高水头、小流量的水电站。
7. A New East Asian Winter Jet Stream Index and Associated Anomalies of East Asian Winter Monsoon; The Specific Characteristics of the Phase Relationship of Air-Sea System over East Asian Monsoon Region in Summer
   一个新的东亚冬季西风急流指数与相联系的东亚冬季风异常东亚季风区夏季海气系统位相关系的特殊性
8. 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
9. 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。
10. 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。
11. The main affecting systems include landfall typhoon, low-level jet stream and west trough.
    主要影响系统为登陆台风、西风低槽和低空急流。
12. The balloons, designed to catch the jet stream for a quick crossing of the Pacific, were expected to cause forest fires and panic.
    这些气球设计上可乘高空的喷射气流，迅速飞越太平洋，务求在美国引起森林大火以及恐慌。
13. We must have been in the jet stream.
    我们还在飞机的尾流中呢。
14. 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。
15. By use of the fairly dense network of radio soundings and pilot balloons, the three dimensional structure and the formation process of the moist jet stream were shown by wind and humidity field in a case of heavy rain over north China in summer.
    利用比较稠密的无线电探空和气球测风观测网，通过对华北夏季一次暴雨过程的三维流场和湿度场的分析，揭示了湿急流的结构和形成过程。
16. A method of initialization for the planetary boundary layer was presented to numerical analysis of the structure of PBL jet stream.
    利用行星边界层初值分析方法对行星边界层内急流结构进行数值分析。
17. Study on air distribution characteristics in taper jet stream
    圆锥形送风射流特性的研究
18. It is shown from the analysis that the interaction of the systems of various scales may lead to the growth of vortex disturbance and the intensification of the low-level convergence as well as the jet stream.
    本文研究了大范围暴雨过程不同尺度系统的相互作用，研究结果表明不同尺度系统相互作用可以导致低涡扰动的发展、非地转偏差、低层辐合与急流的加强。
19. 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。
20. 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。
21. Sandstorms and high level jet stream always occurred together.
    沙尘暴与高空急流总是相伴出现。
22. The distribution and the development process of the saturation and condensation area around the moist jet stream appears as if the water vapor plays a active role in the jet stream formation process.
    在湿急流附近，凝结饱和区的分布和发展过程，似乎表明水汽在急流形成过程中起了一种主动作用。
23. 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。
24. In typhoon's landing process, the factors that the southern jet stream center in its east side surges over Guangxi and the atmospheric vortex enters Guangxi play an important role for the typhoon torrential rain in large scope.
    登陆台风在影响广西的过程中，其台风东侧的偏南风急流中心涌进广西和正涡度中心进入广西对产生大范围的暴雨起着重要的作用。
25. Transfer of momentum of the upper air jet stream promoted the development of the Mongolian cyclone.
    高空急流的动量下传促进了蒙古气旋的发展；
26. Jet stream and the stationary forcing Rossby wave packet in relation to the teleconnections in the atmosphere
    急流与定常强迫Rossby波包和大气中的遥相关
27. 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
28. The numerical results revealed that the increase of SST would cause the changes of the mid-latitude jet stream and low-latitude westerly wind.
    因此，利用数值模拟对此进行了验证，使用CAM3.0的数值试验的结果揭示出，暖区海温的升高会引起中纬度西风急流和低纬度东风的变化。

noun

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