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- mean hourly wind speed 每小时平均风速
- However the time sequence of automatic stations is short, this paper discusses the short sequence revising method of wind speed and wind energy density by using the hourly wind . 但自动站风速时间序列较短,前人在对温度、降水等气象要素的短期观测资料方面已取得一定进展,本研究在此基础上探讨了风能参数的短序列订正方法。
- Three stages wind speed control. 三段风速控制。
- The wind speed had to be just right. 风速必须得恰倒好处才行。
- In an average wind speed 2.0 m / sec. 年平均风速为2.;0米/秒。
- No leakage in the windows under wind speed of 60m/s or 216 km/hr. 风速每秒60米(时速216公里)之风力下，玻璃窗没有漏水。
- Incline the wind meter to find the maximum wind speed direction. 运用风速计去发现最大风速及风向。
- The mean wind speed profile, the thickness of the atmospherics surface layer, the aerodynamics roughness and the turbulence intensity were obtained. 采用数值风洞方法和RNG 双方程湍流模型，模拟了在风洞中依靠边界层的自然增长所形成的大气表面层，得到了不同粗糙元配置条件下时均风速廓线、大气表面层厚度、空气动力学粗糙度和湍流度的变化规律。
- Close to the ground, wind speed increases quickly with height. 靠近地面,风速随高度迅速增大。
- The spring wind speeds the greening of the plants. 春风催绿。
- DPi, DTi and WIi were dew period, dew temperature and wind speed. DPi，DTi，WIi分别代表露时、露温和风速。
- Surface roughness has a profound effect on wind speed. 地表粗糙度对风速有相当深刻的影响。
- In such case, the conventional approach of mean wind decomposition is no longer adequate for estimating the flutter critical wind speed of bridges under the skew wind. 对开口薄壁断面、双主肋断面的试验研究发现，对于具有这种类型主梁断面的桥梁，传统的法向风已不是最不利的工况，需要详细考虑各种风偏角下颤振临界风速，找出最小颤振临界风速，方可偏安全进行桥梁设计。
- They can generate wind speeds faster than 250 mph. 龙卷风的风速可以超过时速二百五十英里。
- The exponent P is a function of wind speed, ground roughness, stability, etc. 指数P是风速、地面不平度、稳定度等的函数。
- To define wind speed and direction look at the shadow of a cloud on the ground. 空中风速及风向可由云在地面影子判断。
- Lying between these high-speed air streams are air streams of lower wind speed. 在这些高速气流之间,会出现较低速的气流。
- Wind speed measurements shall be made with a cup classified anemometer. 用已分好类别的杯状风速计进行风速测量。
- Area of wind of big range ion, wind speed zephyr measures OK adjustment. 大领域游子风区,风速和风力能够调解。
- They were subject to violent yawing at low wind speeds. 它们在低风速下会发生强烈的偏离。
