平均速度

pínɡ jūn sù dù
  • average speed;mean velocity
平均速度平均速度
  1. 火车的平均速度比我们骑自行车的速度快不了多少。

    The train 's average speed was no better than that of our bicycles .

  2. 当规定一个正常速度来捕捉超速驾驶者在某一点的速度时,平均速度相机就会捕捉下来,惩罚从A到B点距离超速的司机。

    While normal speed traps try to catch speeding drivers at one single spot , average speed cameras punish drivers who cover the distance between point A and B too fast .

  3. 大多数人步行的平均速度为每小时5公里。

    Most people walk at an average rate of 5 kilometres an hour .

  4. 我们的平均速度是每小时50公里。

    Our speed averaged out at 50 km an hour .

  5. 背景流场考虑为尾迹时间平均速度流场和Kármán涡街流场。

    The time-averaged velocity field of the wake and Karman vortex street flow field are considered as two kinds of the background flow field .

  6. 为了深入了解旋转涡轮叶片内冷通道中的流动特性,用激光多谱勒测速仪(LDA)测量了旋转U型通道中的平均速度分布。

    Detailed mean velocity distribution of a rotating U-bend duct was measured with LDA .

  7. 继1991年创立以来,上海股市跌跌撞撞地走过了亚洲金融危机和本世纪的前5年,当时中国的国内生产总值(GDP)以10%的平均速度增长。

    Launched in1991 , Shanghai yawned its way through the Asian financial crisis and the first half of this decade , when China was reporting average GDP growth of10 per cent .

  8. 为了提高城市生活垃圾风力分选效率,应用气固两相流的基本理论,并采用流体力学专用软件FLUENT模拟城市生活垃圾风力分选流场的固相颗粒的平均速度。

    A multi-dimensional two-phase model and a special software of hydromechanics FLUENT are used to simulate the average speed solid flow in municipal solid waste ( MSW ) .

  9. 经过优化后系统读取NANDFlash的平均速度可以达到约1.3Mbyte/s,写入速度可以达到约0.8Mbyte/s。

    After the optimization , the average speed of reading NAND Flash is about 1.3 Mbyte / s and speed of writing is about 0.8 Mbyte / s.

  10. 圆管Poiseuille流动中平均速度的一种修正剖面及其稳定性研究

    A Kind of Distortion of Mean Velocity Profile in Pipe Poiseuille Flow and Its Stability Behaviour

  11. 本文首先使用微观粒子测速仪测量了微直管道中的电渗现象,通过流场中平均速度与外电场的关系间接测量了管壁的Zeta电势,并将之用于数值模拟。

    In the thesis , EOF in a straight channel is measured . Zeta potential is obtained indirectly and used in following numerical simulation .

  12. 在500m处,海流观测期间平均速度为(20.3cm/s,350°)。

    The average velocity in the observing days is ( 20.3 cm / s , 350 °) at the 500 m levels .

  13. 论文利用Matlab软件对模型进行仿真,分析了驶入主干路流量以及干、支路的转弯流量对于主干路平均速度、平均密度和平均流量的影响。

    Matlab is employed to simulate this model to analyze the impacts on mean velocity , density and volume of arterial traffic flow by the flow volume on the artery and the turning flow volumes from branches .

  14. 用修正后的模型计算出的平均速度分布、均方根速度的分布以及雷诺应力的分布,均与直接数值模拟(DNS)的结果吻合较好。

    The mean velocity profiles , the RMS ( root-mean-square ) velocity profiles and Reynolds stress profiles calculated by the modified model are consistent with the results of DNS .

  15. 认为造成中国男子百米成绩差距的主要原因是:起跑至10m的平均速度较慢,维持最大速度的能力差。

    The low average velocity of first 10m and low level maintenance of maximal speed are main reasons contributing to the differences between international elite runners and national elite runners .

  16. CGT区域内雷诺应力与平均速度梯度呈非线性关系。

    In the CGT region , the relation between turbulent Reynolds stress and mean velocity gradient is nonlinear .

  17. 利用能带理论,分析了SiO2晶体结构和晶体中电子平均速度与能量的关系,解释了晶体导电、绝缘的微观机理;

    The SiO_2-crystalline structure is analysed and the relation between mean Velocity and energy of electron is discussed according to the energy band theory in this paper . The micromechanism of crystal conducting and isolating is explained .

  18. 主要观测的结果:1)在200m处,观测期间海流平均速度为(47.4cm/s,346°)。

    The major observed results are as follows : 1 the average velocity in the observing days is ( 47.4 cm / s , 346 °) at the 200 m levels .

  19. 使用石英光纤探针成功测量了Teflon样品中的冲击波速度和电炮加载的厚度为75μm的Mylar膜飞片的平均速度和到达时间一致性。

    Shock wave velocity in Teflon sample , average velocity and flatness of Mylar flyer plate driven by electronic gun have been successfully measured by fiber-optic pins .

  20. 应用该方法在XJ地区建立的平均速度场,经两口新井的VSP检查,最大绝对误差为54m/s,最大相对误差小于2%。

    The average velocity field with maximum absolute error of 54 m / s and maximum relative error of less than 2 % in XJ area is tested by using VSP of two new wells .

  21. 如果Hale-Bopp彗星的自转周期为12h左右,根据27次测定得到喷流的平均速度为(599±34)m/s。

    As the rotation period of Comet Hale-Bopp is about 12 hours , the average velocity of jets was determined at ( 599 ± 34 ) m / s according to 27 measurements .

  22. 通过对运动员克服重量负荷时动作速度的定量研究,发现重量负荷与克服这一重量负荷时身体整体或环节运动的平均速度之间存在一种关系,这种关系满足Hill方程的基本特征。

    By quantitative study on movement speed when subjects overcame a weight load in weight training , a relationship was found between weight load and average movement speed of the whole body or a segment , which is demonstrated by a weight-velocity curve and basically suits for Hill equation .

  23. 在赤道东太平洋250m的深度上,可以发现西太平洋低频变化对该处流速的影响,从西太平洋传播到东太平洋的平均速度大约1.3m/s。

    Deep at 250m at 140 ° W of the equator , the affection of variations from tropical western Pacific on the current was found with a propagating speed around 1.3m/s .

  24. 连续给药4周后进行Morris水迷宫测试,通过变换平台位置对大鼠空间定向能力(探索阶段)及再学习能力(再学习阶段)进行评价,比较潜伏期和平均速度。

    Four weeks of continuous infusion later , Morris water maze was applied to test the spatial orientation ( searching stage ) and relearning ( relearning stage ) abilities by changing the platform position , and the escape latency and average speed were compared .

  25. 测量结果表明,所研究的合成射流激励器能够产生很大的射流速度:平均速度与最大速度分别达到42.5m/s和117m/s。

    The results show that time-averaged velocity and maximum velocity are up to 42.5m/s and 117m / s , respectively .

  26. 为了寻找特性速度对火焰结构的规律性影响,使用粒子图像速度仪(PIV)测量圆盘形钝体后甲烷/湿空气非预混火焰的回流区速度场,得到火焰的平均速度场分布。

    In order to examine the effect of flow field within the recirculation zone on flame structure , the characteristic velocity fields of methane / humid air flame in non-premixed combustion behind a disc bluff-body burner were experimentally studied by particle image velocimetry ( PIV ) .

  27. 发现两种方法的相同点:CWDS的收缩期频谱积分与MUCG的最大位移和CWDS的收缩期平均速度与MUCG的收缩期斜率均无差异。

    It was discovered that two methods were identical in some points . There is no difference in average systolic velocity of CWDS and systolic slope of M-UCG , as well as systolic spectrum integral of CWDS and maximum displacement of M-UCG .

  28. 其他的更加微妙,像平均速度相机。

    Others are more subtle ; like the average speed cameras .

  29. 基于探测车技术的路段平均速度估计模型

    Study of Link Average Speed Estimation Model Based on Probe Vehicle

  30. 而且,该攻击数据流的平均速度可以控制在一个较低的水平。

    The average rate of the attacking flow is very low .