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

• 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。
• 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。
• 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；
• 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。
• Sandstorms and high level jet stream always occurred together.
  沙尘暴与高空急流总是相伴出现。
• 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 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。
• 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。
• Study on air distribution characteristics in taper jet stream
  圆锥形送风射流特性的研究
• 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。