上新世早期的大气环流被减弱，因此垂直风切变减小，助长了热带气旋的发展。
Tthe early Pliocene had a weakened atmospheric circulation, and therefore, reduced vertical wind shear, which is favorable for tropical cyclone growth.
垂直风切变仅仅是产生晴空颠簸的众多因素之一。
Vertical wind shear is only one of the many factors that cause CAT.
飑线的产生经常与不稳定能量和垂直风切变相联系。
The occurrence of squall lines is frequently associated with instability energy and vertical wind shear.
在对流边界层中平均风速垂直分布存在风切变现象。
There exists the wind shear in the vertical distribution of the average wind speed in the convective boundary layer.
文中指出垂直风切变及其变化与温度平流的存在是紧密相关的。
It is pointed out that vertical wind shear and its change are closely correlated with the temperature advection.
水平温度梯度形成较强的斜压性是形成边界层风切变的主要原因。
The baroclinity formed by the horizontal temperature gradient is the main reason for the formation of the wind shear.
风切变影响帆船运动，提出不同的风速和风向不同高度沿线的桅杆。
Wind shear affects sailboats in motion by presenting a different wind speed and direction at different heights along the mast.
一般，垂直风切变的值越大，遇到晴空颠簸和强颠簸气流的可能性越大。
In general, the higher the vertical wind shear, the more likely an encounter with CAT and strong turbulence.
基于湍流动能倾向方程，推导出了其只含风切变和大气稳定度的简化方程。
Based on the tendency equation of turbulent kinetic energy, its simplified equation including only wind shear and air stability was derived.
典型尺度的雷暴低空风切变以长周期振动频率激励飞机，使其偏离预计下滑航迹。
A typical low-level wind shear of thunderstorm activates long periodic oscillation of an aircraft, causing tracking deviation of the aircraft.
提高对流天气临近预报准确率的关键问题之一是了解大气的垂直稳定度和垂直风切变。
To improve the accuracy of convection weather forecast, one of the key issues is to find out the atmospheric vertical stability and wind shear.
科学家认为，由于“拉尼娜”阻碍了可破坏暴风雨形成的风切变，所以它会促使大西洋洋面形成飓风。
Scientists believe La Nina spurs hurricane formation in the Atlantic basin by hindering wind shear that breaks up storms as they form.
给出了风切变场反演方法，并根据各个单元设计的具体参数对系统的总体探测性能进行了分析。
Finally, the wind shear-field retrieval method is introduced and the overall performance of the designed system is analyzed by using the designed parameters of each unit.
本文从基本原理和工程实际出发，对用于微尺度风切变场探测的多普勒激光雷达系统进行了初步研究。
In this paper, on the basis of the basic principles and practical engineering, the Doppler lidar system for microscale wind shear-field detection is studied.
从设计目的看，靠近地面的风切变是作用于自由竖立发射台上的飞行器或者发射时的飞行器上的风切变。
Wind shear near the surface, for design purpose, is a shear which ACTS on a space vehicle free-standing on the pad or at the time of lift-off.
利用机场实时的多普勒气象雷达和地面自动观测资料定量计算出风切变的大小，从而确定风切变和飞机颠簸的强度等级。
The real-time wind data from local terminal Doppler radar and auto weather observation stations were calculated to obtain the degree of wind shear and turbulence.
在正弦风切变假定下，利用计算机计算和飞行模拟器模拟研究了长周期振动频率上下的正弦波风切变对飞机着陆航迹的影响。
On the assumption that the wind shear is sinusoidal, the effects of long periodic oscillation on the landing path of an aircraft were studied by computer calculation and with flight simulator.
详细介绍了基于VAD技术的垂直风廓线产品（VWP）的应用技术，此产品对确定热力平流类型、垂直风切变等都是有用的。
The product of vertical wind profile(VWP) which based on VAD methods are introduced detailedly. This product is useful to ascertain the type of thermal advection, the shear of vertical wind, etc.
对风切变大气环境下飞机进场下滑过程进行了仿真计算，结果表明，所建立的模型是合理的，能在一定程度上反映驾驶员的操纵情况。
An approach process is simulated in wind shear condition. The results show that the models presented are reasonable and can to a great extent illustrate the handling behavior of pilot.
结果表明，这里盛行来自冰川区的风，在冰川区与非冰川区之间风向有明显的切变，并形成一些小的辐合辐散区。
The results show that the wind from the glacier region is prevailing and there are wind shear, convergence and divergence zones between the glacial and the non-glacierized area.
根据可压缩情况下的流体力学方程组，导出垂直切变风场中大气声重波的谱方程。
By using the compressible hydrodynamic equations, a spectral equation describing propagation of AGW's in a region of vertical wind shear is derived.
本文研究声重波在垂直切变风场中传播时谱结构的改变。
In this paper, the variation of spectral structure of acoustic gravity waves (AGW's) propagating through a region of vertical wind shear is investigated.
在冬季高空切变风条件下，运载火箭整流罩局部结构破坏。
Under the shear wind aloft conditions in the winter season, the fairing of the launch vehicle suffered local structural damage.
盛夏季节，宜宾雷暴的形成主要与对流层内高温高湿、风及其在对流层的中上部垂直切变小的特点相关联。
In this paper, by using sounding data at Yibin and Xilin in China, the causes with or without thunderstorm are analysed in midsummer.
持续的垂直风向切变及强辐合等风场结构为暴雪产生创造了条件；
The special structure of wind area such as continuous vertical wind direction shear and the strong convergence create the useful situation of the snowstorm.
引入切变风螺旋度和热成风螺旋度，并将其应用于东北冷涡暴雨的诊断分析。
The shearing wind helicity and thermal wind helicity are introduced and applied to a northeastern cold vortex rainfall event.
实例应用表明，该模式对海陆风上下层风向存在切变时的空气质量模拟是有效的。
The results of case study show that the model is available for air quality predicting in shore line. Key Words Sea and land breeze; Vertical shear of wind…
实例应用表明，该模式对海陆风上下层风向存在切变时的空气质量模拟是有效的。
The results of case study show that the model is available for air quality predicting in shore line. Key Words Sea and land breeze; Vertical shear of wind…
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