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differential wound field 差绕场
Weak as it is, the disturbance in the wind field is discernible. 该风场的扰动虽然很弱，但是还是可以看得出来。
The differential equations governing the flutter motion of a bridge deck with TMD (Tuned Mass Damper)in the boundary layer wind field are established in this paper. 本文建立了具有被动调质阻尼器（TMD）的桥梁在边界层风场中的系统颤振运动方程，导出了系统的特征方程。
The lower figure shows the wind field close to the heavy showers at that time. 下图显示出当时接近大骤雨区的风场。
Simulation shows wind field is affected by topography and urban heat island. 模拟表明城郊之间存在热岛效应,边界层风场受到热岛的热力作用以及地形的动力作出影响。
Helicity is a good indicator for variations of wind field with altitude. 螺旋度可以作为观测雷达站上空风场随高度变化的一个敏感因子；
These direct current (DC) permanent-magnet wound field servomotors range from 3,000 revolutions per minute (rpm) to less than 1 rpm without stalling. 这些直流永磁铁将使补助马达间接变速装置从每分3000转降低到每分1转，并无延迟。
In most cases, a representative sample of data is required for defining the statistics of the wind field. 在大部分情况下，为了确定风场的统计，需要代表性的数据样品。
The aerodynamic model of variable wind field is established， the aero dynamic effect of wind gradients is discussed. 建立了变化风场的气动力模型，讨论了风梯度的气动力效应。
We introduce a modified model approach to estimate the unique synoptic oceanic wind field from backscatter of spaceborne scatterometer. 给出了一种改进的场方式反演方法,利用该方法从卫星散射计测量的后向散射强度的数据中唯一反演出大尺度海洋风场。
The local wind field over the Chukchi Sea is also an important factor affecting the sea ice pattern variation. 楚科奇海的局地风场也是海冰形态变化的重要因素之一。
The wind field, radar echo and microphysics structure of the hailstorm are studied. 分析了风暴各发展阶段的流场结构和回波结构特征及微观物理量的分布及其演变。
A finite element model of swaying tree was established to explore the kinetic mechanism of swaying tree in wind field. 摘要为了探索树木在风场中摇曳的运动机理，建立了风中摇曳树木的有限元模型。
SHAPER Featuring: slotted-cam; oscillating arm to facilitate cross-winding of silk yarn, eccentricactuated differential winding; automatic lubrication with gear oil pump; four winding ratios available by shifting the belt to different sets of pulleys. 成形部件:采用沟槽凸轮,摆臂往复移丝运动,并有防叠的差微机构。齿轮泵自动加油,搭配皮带轮可得到四种卷绕比。
The aerodynamic model of variable wind field is established，the aero dynamic effect of wind gradients is discussed. 建立了变化风场的气动力模型，讨论了风梯度的气动力效应。
The flight path of meteorologi c al rocket in the variable wind field and ballistic wind field is numerical sim ulated. 对气象火箭在弹道风和变化风场中的飞行轨迹进行了数值仿真。
Accuracy of Wind Fields Observed by a Bistatic Doppler Radar Network. 双站多普勒雷达网观测的风场的准确性。
Under strong large-scale wind field , the authors add smooth terrain of Lake Biwa to this model, and the results obtained are satisfactory. 在强的背景风场下,模式加入了经过适当平滑的琵琶湖流域地形,得出了一些有益的看法。
Environment excitation-based methods are effective ones to identify flutter derivatives of bridges in turbulent wind field. 基于环境激励的模态参数识别方法是解决紊流风场中桥梁结构气动导数识别问题的一种有效途径。
The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。