Vibrating in the wind, the bristles create some drag. But they also reduce the wing's slipstream, an area of low-pressure turbulence that pulls back on the wing, and hence reduce drag.
风中振动时,刷毛会产生反作用力,但同时它也可以减少机翼滑流,产生一个低气压乱流,机翼上形成回力,因而减小阻力。
Drag-and-drop is supported across multiple pages; that is, if you drag one page and hover over another page in the navigator, you can drop on to that page.
多个页面间支持拖放操作,即如果在导航器中拖动一个页面并悬浮在另一页面上时,可将其放到该页面上。
Some operations allow you to drag more than one artifact at a time. To drag more than one artifact, hold down Ctrl when you click on several artifacts to select them.
有些操作允许您一次拖动多个工件,为了拖动多个工件,在您点击某些工件以选中它们时,按住Ctrl不要放。
Figure 11 shows another complicated action, the drag-and-drop function, which is a common feature in Web 2.0 applications. This function allows users to drag widgets on the UI dynamically.
图11显示了另一项复杂的操作,即拖放功能,这是Web 2.0应用程序中的常见特性,允许用户在UI上动态拖拽小部件。
Drag a Merge operator under the operator pane on the left, and drag it on to a canvas on the right.
从左边的Operators面板中拖出一个merge操作符,把它放到右边的画布中。
By doing integral computation on the wake surface that is down from the aircraft and vertical to the velocity of far field, it can get the lift, induced drag, wave drag and the total drag.
在飞行器所在流场的下游一垂直于来流速度的截面上进行积分计算,得到升力、诱导阻力、激波阻力和总阻力。
Drag was decomposed to entropy drag and induced drag, according to the physical mechanism of drag production, based on the wake integral method, which was very useful for drag reduction design.
利用尾迹积分法按阻力产生的物理机制,将阻力分解为熵增阻力和诱导阻力进行数值计算。
This paper discussed the preparation of drag reducing polymer and focused on drag reducing polymer suspension: including the preparation of polymer particles and the choice of suspending material.
重点介绍了减阻聚合物悬浮液的制备:聚合物颗粒的制备和悬浮基液的选择。
Research on drag reduction mechanism of supercavitation shows that supercavitation can reduce not only the friction drag coefficient but also the pressure drag coefficient.
超空泡减阻机理的研究表明:超空泡不仅可以减小回转体的摩擦阻力,还可以减小回转体的压差阻力。
Based on the test results and movement equation established, the relationship between drag coefficient and tubular shape is obtained and the drag force imposed on pipe is calculated.
根据试验结果和建立的运动方程,获得阻力系数与圆管形状的关系,并计算了圆管所受到的拖曳力。
To study the effect of aerodynamic drag in the solar array spreading on the ground, a calculation method of time-varying aerodynamic drag was put forward based on dynamic meshes in this paper.
为研究太阳帆板地面展开试验中气动阻力的影响,基于动网格技术提出了一种时变空气阻力计算方法。
Based on our flow visualizations, a new mechanism of drag reduction is proposed. The device has been refined and net drag reduction has been achieved.
建立在自己流动显示的基础上,提出了新的减阻机理,改进了设计,并获得较好的减阻效果。
The influences of plasma parameters such as energy, ignition location and shape on drag performance are reviewed. At present, laser plasma technology can reduce the wave drag by 70%.
讨论了等离子体能量、点火位置和形状等参数对减阻性能的影响,目前利用激光等离子体技术可以减小70%的波阻。
Drag has a great impact on the lift-drag ratio, and the leading edge cut drag, which has only a two-dimensional effect, is one of the main sources of the total drag.
阻力对翼伞升阻比影响很大,前缘切口阻力是总阻力的主要来源之一,且是一种二维效应的阻力。
Drag has a great impact on the lift-drag ratio, and the leading edge cut drag, which has only a two-dimensional effect, is one of the main sources of the total drag.
阻力对翼伞升阻比影响很大,前缘切口阻力是总阻力的主要来源之一,且是一种二维效应的阻力。
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