Identification of flutter derivatives is an attractive topic in the field of wind-resistance study of long-span Bridges.
气动导数识别是大跨度桥梁抗风研究中备受关注的一个问题。
The invention discloses a stator-rotor mechanism of a direct drive type wind generating set, belonging to the technical field of wind driven generators.
一种直驱式风力发电机组的定转子机构，属于风力发电机技术领域。
The utility model relates to a current transformer, in particular to a current transformer which is applied in the field of wind energy power generation.
本实用新型涉及一种变流器，特别是一种应用于风能发电领域的变流器。
The extension of the field of wind tunnel testing into the higher-speed regimes has made it advisable to revise Wind Tunnel Testing into low-and high -speed coverages .
鉴于风洞试验已扩展到更高的速度范围，因此有必要将原著《风洞试验》一书进行修订，并分编为《高速风洞试验》和《低速风洞试验》两部出版。
The invention discloses an aerogenerator, in particular relates to an openable false ogive of the aerogenerator, and belongs to the technical field of wind power generating equipment.
本发明公开了一种风力发电机，具体涉及一种风力发电机的可开启式整流罩，它属于风力发电设备技术领域。
In the green energy field, we saw gigantic wind turbines made of bamboo, and solar panels with efficiency rates as high as 42 percent.
在绿色能源领域，我们看到由竹子制成的大型风力发电机和使用率高达42%的太阳能板。
So the subsidies and mandates offered to renewable sources of power such as wind turbines often just level the playing field.
因此，向可再生动力资源(如风力涡轮机)提供的津贴和要求往往只是平衡竞争环境。
The wind comes in, carries a magnetic field, which wraps around the ionosphere of the planet. The ionosphere is basically dragged away.
带有磁场的太阳风到达金星和火星后，其磁场包围在行星的电离层外面，而电离层基本上被拖离。
The southern part of the particle cloud, or solar wind, grazed Earth's magnetic field on the 14th and 15th, resulting in a particularly good night for aurorae.
这些带电粒子形成的粒子云（又叫太阳风）在14和15日掠过地球磁场，造就了观察北极光的美妙时刻。
Also, unlike a field-full of wind turbines, kite power requires a minimal amount of land use.
与传统的地面式发电机不同的是，这种风筝供能系统只需占用很小的土地空间。
A young girl was weeding in a field, where a huge yellow poster, probably of some outside spectacle, such as a parish festival, was fluttering in the wind.
田里有个大姑娘在锄草，一大张黄色广告，也许是什么杂技团巡回演出的海报，在田边迎风飘动。
Aurorae are caused by the interaction of the solar wind with Earth's magnetic field and so are particularly prevalent at the poles where the magnetic forces are strongest.
极光是太阳风与地球磁场相互作用产生的，在两极磁场最强烈的地方，极光很常见。
The newborn stars form in the dense gas because of compression by the wind and radiation from a nearby massive star (located outside the field of view to the left).
受附近一颗大质量恒星（在图中物体的左侧，未拍到）喷发出的气流的压缩和来自这颗恒星的强辐射作用，这些新恒星诞生在密集的气体中。
Besides directing compasses, the Earth's magnetic field reaches out into space to direct the flow of the solar wind around the planet-forming a structure called the magnetosphere (depicted above).
地球的磁场效应不仅能够指引指南针，还能够将其效应延伸至宇宙空间来指引地球四周的太阳风的流向，这样就形成了一种称为“磁气圈”的结构(如上图所示)。
In a nonuniform wind field, however, great changes take place in the structure, causing an increase of errors.
但在非均匀风场中，回波结构在运动过程申发生变化，导致该方法的误差大大增加。
The paper includes four parts: turbulence wind field model, the load of the wind turbine, the load distribution of wind turbine blade, the wind turbine reliability analysis.
论文包括四部分：紊流风场模型、风力机载荷分析、风力机叶片载荷分布、风力机叶片可靠性分析。
This quick rotation powered a strong magnetic field, which heated the sun’s atmosphere and carried away mass and angular momentum in a strong solar wind of charged particles.
这个磁场加热了太阳的大气层并且带走了由带电粒子（charged particle）组成的强大太阳风的质量（mass）和角动量（angularmomentum）。
The results show that the calculations of typhoon sea level pressure field and wind field by means of advanced typhoon pressure models is desirable.
结果表明，改进后的台风气压模型对台风海面气压场和风场的模拟计算是可取的。
The layout for city industrial enterprise needs to consider fully the transportation characteristic in area, first the characteristic of city wind field (includes the influence of local circulation).
布局城市工业企业要充分考虑区域的输送特征，首先是城市的风场特征，包括局地环流的影响。
We analyzed the weather background during the major immigration period in 1999, and stimulated temporal-spatial dynamics of wind field and migration trajectories of the meadow moth.
本文分析了1999年各地草地螟主要迁入峰期的天气学背景，并对风场的时空分布及草地螟迁飞轨迹进行了模拟。
A history and current situation on numerical prediction of sea surface wind field in NMEFC is introduced briefly.
本文简要介绍了国家海洋环境预报中心海面风场数值预报的历史和现状。
To carry out the dynamic response prediction of a large structure subjected to a stochastic wind field in time domain, it is required to simulate time histories of wind loads or the wind field.
为在时域进行大型结构的气动弹性动力响应分析，必须首先模拟该结构所受到的气动荷载或所处自然风场的时间历程。
The wind damage accidents of membrane structures caused by typhoon are introduced, and the complexity of wind field is described.
简要介绍了近年沿海地区台风引发的膜结构风损事故，说明了风场的复杂性。
Moreover, based on the analysis of the existed wind field retrieval methods of single Doppler radar, we derive a novel algorithm for wind field retrieval from wavelet analysis.
此外，在对现有的单多普勒雷达风场反演方法进行对比分析的基础上，提出了一种基于小波分析的单多普勒雷达风场反演方法。
Using FFT to workout a wind load simulation program. The computer simulation of the stochastic wind field is achieved. The 16-dimensional random process is got.
采用快速傅立叶变换法（FFT）编制了风荷载模拟程序，实现了随机风场的计算机仿真，仿真得到了16维脉动风荷载时程样本。
Tests are made for the effects of wind field, cloud cover and soil parameters on fog cycle.
最后，就不同风场、云层覆盖及土壤参数等对雾过程的影响进行了讨论。 现在工作单位。
Through the analysis and comparison, It is found that the uncertainty of wind field has immense effects on the nuclear accidents emergency decision.
通过比较分析，发现风场变化的不确定性对核事故应急决策有很大的影响。
Through the analysis and comparison, It is found that the uncertainty of wind field has immense effects on the nuclear accidents emergency decision.
通过比较分析，发现风场变化的不确定性对核事故应急决策有很大的影响。
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