Tthe early Pliocene had a weakened atmospheric circulation, and therefore, reduced vertical wind shear, which is favorable for tropical cyclone growth.
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。
Scientists believe La Nina spurs hurricane formation in the Atlantic basin by hindering wind shear that breaks up storms as they form.
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。
Ocean temperatures and wind shear are considered the two most important factors for predicting hurricanes, both in regular weather prediction studies and climate change studies.
在常规天气预报研究和气候变化研究中，海洋温度和风切变都被认为是预测飓风的两个最重要的因素。
Vertical wind shear is only one of the many factors that cause CAT.
垂直风切变仅仅是产生晴空颠簸的众多因素之一。
The continuous spectrums occur to overlap with the increase of wind shear.
随着风切变的增大，连续谱发生重叠。
The occurrence of squall lines is frequently associated with instability energy and vertical wind shear.
飑线的产生经常与不稳定能量和垂直风切变相联系。
In general, the higher the vertical wind shear, the more likely an encounter with CAT and strong turbulence.
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。
It is pointed out that vertical wind shear and its change are closely correlated with the temperature advection.
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。
There exists the wind shear in the vertical distribution of the average wind speed in the convective boundary layer.
在对流边界层中平均风速垂直分布存在风切变现象。
The baroclinity formed by the horizontal temperature gradient is the main reason for the formation of the wind shear.
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。
Based on the tendency equation of turbulent kinetic energy, its simplified equation including only wind shear and air stability was derived.
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。
It is pointed out that the rainstorm center is under the wind shear, above which convergence center and the maximum positive vorticity exist.
指出暴雨中心位于风速切变的下方，同时上空也伴随辐合中心，以及正涡度极大值。
A typical low-level wind shear of thunderstorm activates long periodic oscillation of an aircraft, causing tracking deviation of the aircraft.
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。
The dry PV field in the lower troposphere shows that the coupling of the dense PV isoline zone and the wind shear was formed in the storm area.
对流层低层干位涡场特征表现为，风暴区形成干位涡等值线密集区和风场切变的耦合。
To improve the accuracy of convection weather forecast, one of the key issues is to find out the atmospheric vertical stability and wind shear.
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。
By using the compressible hydrodynamic equations, a spectral equation describing propagation of AGW's in a region of vertical wind shear is derived.
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。
The results show that, when the wind shear of basic flow is not zero, there exists continuous spectrum of gravitational inertial wave and vortex wave.
结果发现：当基流存在切变时，无论是重力惯性波还是涡旋波都存在连续谱。
In this paper, the variation of spectral structure of acoustic gravity waves (AGW's) propagating through a region of vertical wind shear is investigated.
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, on the basis of the basic principles and practical engineering, the Doppler lidar system for microscale wind shear-field detection is studied.
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。
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.
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。
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.
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。
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.
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 power expression by the wind passing through the rotor swept area of back wind direction wind turbine is accurately deduced from energy viewpoint based on wind shear and tower shadow effect.
从风力机获取能量角度出发，充分考虑风剪切与塔影效应，精确推导出作用于下风向风力机风轮扫掠面积上理论风功率的计算式。
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.
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.
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。
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