Then they popped the fish into a wind tunnel to calculate their lift-to-drag ratios, sometimes called the glide ratio.
之后，将其放入风洞以计算升阻比，有时也被称为滑翔比。
But the new study shows that the ratio of oxygen and nitrogen isotopes found in the solar wind is different from the ratio here on earth, or on the moon or Mars.
不过这一最新的研究发现，太阳风当中的氧和氮同位素比例与地球、月球或火星上的比例不同。
There appears some flexibility at the top of tower with high ratio of height to diameter (H/D), caused by wind load.
高径比（H/D）较大的塔在风载荷的作用下，在塔顶处会引起一定的静挠度。
Then, the concentration under different wind diffusion condition are analysized by using ground pollution mode so that the ratio of contribution to the total pollution limit is obtained.
之后采用近地面尘降模型，计算了这类污染源在不同气象层结下的扩散状况，得出其污染浓度对大气环保浓度的分担率。
The ratio of mean tracer concentrations on leeward side to that on wind-ward side was about8 for street canyons where the space between buildings was small.
对于楼之间空间较小的街谷，背风面和迎风面的示踪剂浓度平均比值可达8。
To the grid connected wind turbine, the purpose of controlling it working at optimal tip speed ratio or about is to capture maximum wind energy.
对并网型风力机，控制其在额定风速下运行在最佳叶尖速比或其附近，主要是希望它能捕获到最大的风能。
Weekly humidity and wind had no linear relation with the aggravation ratio of RHD.
周湿度、周风速对风湿性心脏病病情加重关系不大。
The wind environment around Chongqing Grand Theater is measured. According to the ratio of wind velocity k, the wind environment around the building is evaluated.
对重庆大剧院周围风环境进行了测量，并根据人群主要活动场所的风速比值，评价了该建筑周围的风环境。
But the new study shows that the ratio of oxygen and nitrogen isotopes found in the solar wind is different from the ratio here on earth, or on the moon or Mars.
但最新的研究显示太阳风中氧氮同位素比例与地球、月球或是火星上的比例并不相同。
The influence of solidity and aspect ratio on power coefficient of H-type vertical axis wind turbine, and the change of attack Angle with tip speed ratio were analyzed.
采用多流管模型分析了H型垂直风力机展弦比和实度对其功率系数的影响，并对叶片旋转过程中攻角随尖速比的变化进行了分析。
After the industrialization and the localization achieved the certain scale the price performance ratio of wind power generate has the suitable superiority.
风力发电在产业化和国产化达到一定规模后，价格性能比具有相当的优势。
The control strategies under different wind speed have been analyzed and obtained the optimal tip speed ratio using the simplex algorithm.
分析了不同风速下的控制策略，应用单纯形加速法确定最优叶尖速比。
With the across-wind force spectrum, the across-wind dynamic responses of tall square-section buildings with aspect ratio of 6 is analyzed in the conditions of different ground and wind velocities.
引入横风力谱模型，分析了某高宽比为6的方形截面高层建筑在不同地貌和风速条件下的横风向风振响应。
Both the ratio of friction velocity to free stream wind velocity and the thickness of airflow are subject to the sidewall effect, showing the increase trend with the decreasing aspect ratios.
随着风洞宽高比的减小，断面内中垂线上的气流摩阻速度与自由流速的比值以及受风洞边壁影响的气流厚度均增大。
When there is no wind to run in the wind direction of the opposite angle net, the ratio of each side, which is in front of and behind wind ditection a…
当对角风路中无风流流动时，每一侧前后风路风阻之比值，一定相等。
It measures wind erosion under the conditions of different wind speed of floodplain area with different vegetation coverage ratio of the Yongding River by using mobile filed wind channel equipment.
利用野外移动式风洞试验装置，对永定河不同植被覆盖率河滩农地在不同风速下的风蚀量进行了测定，结果表明：播草盖沙可以提高起沙风速，有效减少河滩地的土壤流失。
When the coverage ratio of floodplain area reaches to 30%, the wind erosion can be controlled within the range of light erosion.
河滩土植被覆盖率达到30%时即可将风蚀控制在轻微侵蚀范围内。
The wind machine can decrease the resistance and improve the wind energy using ratio.
本风力机能减小阻力，风能利用率高。
It has a static lift-weight ratio of 0.2-0.8 and thus requires relatively low minimum flying wind force, and this results in more kite flying chance and ever elegant fly effect.
气球以粘贴、网罩或镶嵌的方式与风筝结合成一体。轻体风筝的静态升重比为0．2―0．8，降低了对放飞最小风力的要求，使放飞活动有更多的机会可选择。
In wind tunnel test, the base bleed ratio of higher accuracy is obtained by measuring and controlling the total pressure of the bleed medium in front of flowmeter.
在风洞中模拟底排实验，通过测量和控制流量计前介质总压，获得了较高准确度的底部排气率。
The equations for computing the structural response control force of TLD under wind vibration and the equivalent damp ratio of TLD are first derived.
文中，推导了TLD对结构风振反应的控制力和控制效果的等效阻尼比，介绍了悬吊AMD对设置TLD结构脉动风振反应的最优控制分析方法。
The equations for computing the structural response control force of TLD under wind vibration and the equivalent damp ratio of TLD are first derived.
文中，推导了TLD对结构风振反应的控制力和控制效果的等效阻尼比，介绍了悬吊AMD对设置TLD结构脉动风振反应的最优控制分析方法。
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