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- simulation of the wind velocity history 风速时程模拟
- wind velocity history 风速时程
- The time history of pulse wind velocity and wind pressure on the structure has been simulation based on Davenport wind speed power spectrum and Shinozuka theory. 方法采用Daven port风速谱并根据Shinozuka理论;应用简谐波叠加法分别模拟了脉动风速、脉动风压和脉动风荷载时程曲线.
- By adapting Davenport spectrum for horizontally fluctuating wind, wind velocity time history at the opening was simulated by using trigonometric series. 采用Davenport水平脉动风速谱;利用三角级数对开孔处的来流风速时程进行模拟.
- Wind velocity histories 风速时程
- The propeller can follow the wind velocity closely during hingspeed gusts. 螺旋桨在有高速狂风时能紧紧地追随风速。
- The propeller can follow the wind velocity closely during high-speed gusts. 螺旋桨在有高速狂风时能紧紧地追随风速。
- The up-convexity of the curves increases as wind velocity increases. 跃移边界层外风速分布可较好地用对数函数来描述。
- Control Air. Wind velocity increased or decreased by up to 10 miles per hour +5 miles per hour/level. 操控气流：风速增加或减少10英里每小时加上每显能者等级+5英里每小时。
- Wind direction, wind velocity, air temperature and air pressure have a very great effect on the propagation of pressure waves. 风向、风速、气温和气压对压力波的传播有十分巨大的影响。
- The mechanical ventilation psychrometer under the stable wind velocity can get the relative high accuracy standard. 在比较稳定的风速下，利用干湿球法测试计算湿度，能够得到较高的精度。
- It is the newest developing lidar tech nology that is based on lidar to measure the wind velocity of the atmosphere. 用激光雷达在太空中对地球洁净大气探测，是激光雷达技术的最新发展。
- To criticize it for such failure is roughly comparable to criticizing a thermometer for not measuring wind velocity. 译文：批评智力测试不反映上述情况，犹如批评温度计不能够测风速一样。
- The state of the atmosphere at a given time and place,with respect to variables such as temperature,moisture,wind velocity,and barometric pressure. 天气给定时间和地点的大气状况，牵涉到变量如温度、湿度、风速和气压。
- In addition, the rotor is exposed to wind shear, the change in wind velocity with height above ground, and with tower shadow. 此外,转子还要受到风的切变、随对地高度以及塔遮蔽而风速变化的影响。
- The state of the atmosphere at a given time and place, with respect to variables such as temperature, moisture, wind velocity, and barometric pressure. 天气:给定时间和地点的大气状况,牵涉到变量如温度、湿度、风速和气压。
- Stubble strip of conservation tillage can lower wind velocity, conserve water and soil, resist wind erosion and protect strip ploughed land. 这种措施既能发挥保护性耕作带残茬降风速、保水土、抗风蚀的作用，并对翻耕带形成保护；
- The shock compression experiments were designed and carried out on alumina ceramic under 1D strain and free surface velocity histories of particles were measured by VISAR. 按照平面冲击波设计原则,设计并完成了氧化铝陶瓷在一维应变条件下冲击压缩实验,通过VISAR测试得到了样品自由面质点速度历程。
- The cement mill main dust source;s dust-concentration and net filtering wind velocity of the pulse spay-blow bag dust-precipitator suggestiong value. 水泥厂主要尘源点的含尘浓度和脉冲喷吹袋式除尘器的净过滤风速建议值。
- Wind velocity also increases with altitude and may cause serious stress for trees, as is made evident by the deformed shapes at high altitudes. 也转动速度增加与高度和可能因素严重的压迫力为树,如同是制造显然的被那不成形的形状在高海拔。
