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- An Analytical Model of Mountain Wave Drag for Wind Profiles with Shear and Curvature. 有切变和曲率风廓线的山地波阻力的分析模式。
- The wave drag coefficient also increases with increasing upswept angle at transonic speed. 在跨音速时,波阻系数也与上翘角有关,上翘角增加会导致波阻系数进一步加大。
- The wave drag increases with increasing upsweep angles and decreases with increasing flatness of the aftbody. 上翘 角增大,后体激波阻力增加;后体越扁平,后体激波阻力略有减小。
- In transonic flow, a simple empirical formulation is given to predict the wave drag of upswept aftbody, which extends the usable range of Mach number. 在跨音速范围,给出了一种简 单的上翘后体波阻的估算方法,拓宽了马赫数的适用范围。
- The results also show that both gravity wave drag and envelope orography have smaller influence on model results in the beginning of simulation, but greater in the later stage. 不论是地形重力波拖曳还是包络地形,在模式积分的初期,它们的作用并不明显,随着积分时间的增长,它们对模拟结果的影响程度增大。
- As the tradition method can only estimate the addition of wave drag from subsonic to supersonic, and can not calculate the change of drag when Mach number increases. 由于传统的工程计算方法只能估算旋成体从亚音速到低超音速的波阻增加量,不能计算阻力随马赫数增加而引起的变化。
- Dave wore drag to the fancy dress party. 戴夫穿着女子服装去参加化装舞会。
- The mountain waves may exert wave drags to the atmosphere even though when the lower atmospheric boundary layer is neu... 最后讨论了大气粘性对中性或不稳定层结下地形波的影响。
- How can I drag away from your arms? 我怎样才能离开你的怀抱呢?
- He took a drag from the wine glass. 他从酒杯里喝了一口酒。
- Must you drag politics into everything? 你非得事事都把政治扯进来吗?
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- How much longer is this going to drag on? 这事还要拖多久?
- They said they would drag Tom through the mud. 他们扬言要汤姆名誉扫地。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- I was able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
- The tidal wave formed a terrifying wall of water. 海啸形成一堵骇人的水墙。
- Drag racers burning up the track. 正在跑道上飞驰的高速赛车