The design reference wind speed and related wind characteristic parameters of the bridge are derived from the wind tunnel test of a terrain model of the bridge site.
通过模拟桥址地形的风洞试验，确定桥梁设计基准风速和相关的风特性参数，使得到的风速真正反映桥址处风的实际状况。
The lines of wind-sculpted sand are characteristic of immense sand deserts, or sand seas, and the Rub' al Khali is the largest desert of this type in the world.
在一些广袤的沙漠或沙海里常常有这种被风雕刻的痕迹，而鲁卜哈利沙漠是这类沙漠中面积最大的。
The interdecadal variations of some characteristic parameters of the SAH and the easterly wind are obvious.
南亚高压和东风气流的部分特征参数有明显的年际和年代际变化。
However, a number of features that are characteristic of wind-pollinated plants reduce pollen waste.
然而，风媒传粉植物的一些特点会减少花粉浪费。
The paper also introduces the working principle of wind conveyer system and its characteristic, and discusses the key manufacturing technics in pilot production.
该文介绍了气力容器式管道输送的原理、特点，对试验制造过程中的关键工艺问题进行探讨。
The power characteristic of wind turbine is introduced in this paper, then advantages and drawbacks of the three types of existing maximum wind power extraction algorithms are compared.
本文首先介绍了风轮机的功率特性，然后比较了三种现有的最大风能跟踪控制算法的优缺点。
From the calculation value, it was known that the wind speed had strong impact on the scattering characteristic of dielectric ocean rough surface.
由计算的不同风速下双站散射系数可知，风速对海洋粗糙面散射特性的影响较大。
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。
Flow characteristic of supersonic bi-cone inlet of ramjet assisted range projectiles is studied, and reasonable flow structures are also achieved through the wind tunnel experiment.
对某冲压增程弹用超声速双锥进气道流场特性进行研究，在风洞试验中得到合理的流场结构图谱及试验数据。
The paper introduces the structure and characteristic of soft cut-in wind turbine control system using a dual speed asynchronous generator.
本文介绍了双速电机软并网型风力发电机组控制系统的构成和特点。
The measure and evaluation are carried out on aerodynamics characteristic parameters of different vegetation coverage lands and amount of wind erosion.
完成了不同植被盖度地表的空气动力学特征参数与风蚀量的测试。
Aiming at the characteristic of the wind generation simulator, the mathematic model of actuator of the simulator was built.
针对风力发电模拟器的特点，建立了执行元件的数学模型。
This paper deals with stochastic characteristic of the wind speed, and gives an auto-regressive moving-average (ARMA) model for wind speed subjected to particular power spectral density.
该文针对风速随机变化的特性，在风速统计特性研究的基础上，用自回归滑动平均(ARMA)方法建立了具有一定功率谱密度特性的风速模型。
The principle of the aerodynamics is used to study the land wind field characteristic of the Daqing oil field and the wind load spectrum theory of oil rig derrick has been established.
运用空气动学原理，研究了大庆油田的陆地风场特性，进行了井架结构风载荷谱理论分析。
For the intermittent characteristic of distributed energy such as wind power, photovoltaic cell, the strategy of suppressing the power fluctuations is put forward.
针对风力发电、光伏电池等分布式电源间歇性的特点，提出了平抑功率波动的策略。
So it is quite essential to investigate and analysis wind turbine airfoil aerodynamic characteristic for fully understanding the whole wind turbine aerodynamic characteristics.
所以了解和分析风机翼型的气动特性对风机整体气动性能系统分析显得尤为必要。
Local small size, light weight, wind big oil less. (This machine first major characteristic of) the greatest advantages of light weight.
本机体积小，重量轻，风力大，用油少。(本机第一大特点)最大优点重量轻。
And will experiment data collect and analyze, to probe into the whole characteristic of the permanent magnetism type wind generator.
并将实验资料收集与分析，来探讨永磁式风力发电机之整体特性。
Asparagus not only has high economic and nutritional value, but also has it biological characteristic of adapting to the ecosystem of wind-sandy wasteland.
芦笋既具有适应风沙化土地生态系统特点的生物学特征，又具有很好的经济价值。
Study the basic climatic data, make definite that 'hot, damp, abundant wind and rain' is the characteristic climate of Quanzhou.
整理泉州气候资料，明确手巾寮生长环境特有的热湿、多风雨气候特征。
Set up wind erosion trial zone at soil wind erosion and desertification serious areas, Carry on soil wind erosion monitor by the characteristic of local weathers and the plant.
在土壤风蚀沙化严重地区建立了风蚀试验区，针对当地气候以及种植特点进行土壤风蚀监测。
This article has analyzed the common traditional material wind tube deficiency and the introduction phenol aldehyde foam uses in to ventilate the wind tube the fine characteristic;
本文分析了常见传统材料风管的不足之处并介绍酚醛泡沫材料的用于通风风管的优良特性；
The Concentrated wind energy Turbine heightens the quality of the wind energy and improves the instability of the wind energy. Its energy conversion has special characteristic.
浓缩风能型风力发电机提高了风能的品位，改善了风能的不稳定性，其能量转换规律具有特殊性。
Because of the above reasons, the characteristic of the loads and the dynamic performances of the transmission system are very important for improving the reliability of transmission of wind turbine.
因此研究风力发电机在变风速下的载荷特征及其对传动系统动力学行为的影响，对提高传动系统的可靠性具有十分重要的意义。
Analyzing the characteristic of the surface wind pressure distribution and the wind-induced response of the platform canopy.
分析研究站台雨棚的表面风压分布特性和风振响应特性。
The invention is a rhombus coach which has small wind resistance, low energy consumption, small turning radius, flexible operation, good trafficability characteristic, good ride and light weight.
本发明是一种风阻小、能耗低、转弯半径小、操作灵活、通 过性好、平顺性优、重量轻的类菱形客车。
The characteristic features of horizontal and vertical wind-speed distribution beneath crop canopy are discussed.
本文讨论了农田中风速的水平和铅直分布的基本规律性。
The characteristic features of horizontal and vertical wind-speed distribution beneath crop canopy are discussed.
本文讨论了农田中风速的水平和铅直分布的基本规律性。
应用推荐