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- 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。
- 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。
- The most significant oasis effect is the decrease of both average wind speed and the number of gale days. 绿洲效应最为显著的一个方面是风速的变化,绿洲使平均风速和大风日数大幅度减少。
- It analyses the factors that casting speed effect on crackle tendency. 重点分析了不同铸造速度对裂纹倾向的影响。
- 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。
- When the weather condition is unstable, a change in wind direction and wind speed may cause an invisible spinning effect in the lower atmosphere. 在天气不稳定的情况下,风向改变,风速增强,在大气层较低地区形成一股肉眼看不见的横向旋涡。
- The spring wind speeds the greening of the plants. 春风催绿。
- Close to the ground, wind speed increases quickly with height. 靠近地面,风速随高度迅速增大。
- 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。
- The result indicated that normal weather factor(temperature,humidity,air pressure,wind speed etc) had some effect on the concentration of aldehydes and ketones in the ambient air. 结果表明:常规气象因子(温度、湿度、气压、风速等)对大气环境中醛酮类有机污染物的浓度有一定的影响。
- 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 results showed that UVC damages DNA in a complete way,while UVA and UVB damage DNA in a selective way,and the speed effect of UVB on DNA was faster than that of UVA. 结果表明,紫外C(UVC)对DNA产生了全面的损伤,而紫外B(UVB)和紫外A(UVA)对DNA的损伤则具有选择性,其中UVB比UVA的作用速度快。
- Although the anxious increased speed effect is not swift and violent, but still could display the accelerating force which in the segmentum posterius continues. 尽管急提速效果并不迅猛,但在中后段仍能表现出持续的加速力。
- 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。
- According to the gray analysis of the meteorological factors for HUI effect, small wind speed and small relative humidity may result in a strong UHI in Nanning City. 利用灰色关联度分析法分析了影响南宁城市热岛效应的主要气象因子,发现在风速小、相对湿度小的时候热岛效应强。
- 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。
- 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。