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- Surface roughness has a profound effect on wind speed. 地表粗糙度對風(fēng)速有相當深刻的影響。
- Three stages wind speed control. 三段風(fēng)速控制。
- The wind speed had to be just right. 風(fēng)速必須得恰倒好處才行。
- In an average wind speed 2.0 m / sec. 年平均風(fēng)速為2.;0米/秒。
- The most significant oasis effect is the decrease of both average wind speed and the number of gale days. 綠洲效應最為顯著(zhù)的一個(gè)方面是風(fēng)速的變化，綠洲使平均風(fēng)速和大風(fēng)日數大幅度減少。
- It analyses the factors that casting speed effect on crackle tendency. 重點(diǎn)分析了不同鑄造速度對裂紋傾向的影響。
- No leakage in the windows under wind speed of 60m/s or 216 km/hr. 風(fēng)速每秒60米(時(shí)速216公里)之風(fēng)力下，玻璃窗沒(méi)有漏水。
- Incline the wind meter to find the maximum wind speed direction. 運用風(fēng)速計去發(fā)現最大風(fēng)速及風(fēng)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. 在天氣不穩定的情況下,風(fēng)向改變,風(fēng)速增強,在大氣層較低地區形成一股肉眼看不見(jiàn)的橫向旋渦。
- The spring wind speeds the greening of the plants. 春風(fēng)催綠。
- Close to the ground, wind speed increases quickly with height. 靠近地面,風(fēng)速隨高度迅速增大。
- DPi, DTi and WIi were dew period, dew temperature and wind speed. DPi，DTi，WIi分別代表露時(shí)、露溫和風(fēng)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. 結果表明:常規氣象因子(溫度、濕度、氣壓、風(fēng)速等)對大氣環(huán)境中醛酮類(lèi)有機污染物的濃度有一定的影響。
- They can generate wind speeds faster than 250 mph. 龍卷風(fēng)的風(fēng)速可以超過(guò)時(shí)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. 結果表明,紫外C(UVC)對DNA產(chǎn)生了全面的損傷,而紫外B(UVB)和紫外A(UVA)對DNA的損傷則具有選擇性,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. 盡管急提速效果并不迅猛，但在中后段仍能表現出持續的加速力。
- The exponent P is a function of wind speed, ground roughness, stability, etc. 指數P是風(fēng)速、地面不平度、穩定度等的函數。
- 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. 利用灰色關(guān)聯(lián)度分析法分析了影響南寧城市熱島效應的主要氣象因子，發(fā)現在風(fēng)速小、相對濕度小的時(shí)候熱島效應強。
- To define wind speed and direction look at the shadow of a cloud on the ground. 空中風(fēng)速及風(fēng)向可由云在地面影子判斷。
- They were subject to violent yawing at low wind speeds. 它們在低風(fēng)速下會(huì )發(fā)生強烈的偏離。
