飞机上的机翼制造升力超过阻力，但具体取决于机翼的设计和当时经过的空气流动速率。
The aerofoil of a wing creates more lift than drag, but exactly how much depends on its design and the speed of the air passing over it.
当鱼鳍的形状通过流动的空气产生比其(空气)阻力更多的升力时，飞行物便能飞翔。
When the shape of a wing creates more lift from the air passing around it than it does drag (air resistance), an aircraft will fly.
高尔夫球表面的小突起，也能起到促使分离的作用，但突起对流动的干扰有些难以控制，造成一些侧向力(也可以叫升力)。
Golf surface of small, yea, also can have prompted separation function, but the bumps of the flow interference some difficult to control, causing some lateral force (also can call lift).
研究表明，流体剧烈变化的热物性、浮升力以及三角管的几何特征对管内流动换热的影响非常明显。
The results suggest that the effects of buoyancy force, variable physical properties of the fluid, and duct geometric characteristic on flow and heat transfer can be very significant.
实验结果表明，自然循环工况下上升加热段内工质的物性变化及由浮升力引起的自由流动对对流传热特性有重要影响。
The experimental results indicate that free convection caused by the buoyancy in the heated tube with natural circulation has great influence on the heat transfer characteristics.
分析和讨论了高升力系统外形无黏和黏性流动的物理特征，表明了流动现象的复杂性和求解的艰难性。
The inviscid and viscous flow physics around a high lift configuration and the complexity of its flow phenomena and the difficulty of its description are analyzed and discussed.
研究也表明，面搭接网格生成技术在研究高升力构型这类复杂外形流动问题时，同样可以保证较高的数值模拟精度。
The research also shows that, patched grid technique can, as well, achieve good numerical accuracy at dealing with complicated configurations such as high lift system.
根据桨叶表面流动不穿透条件解出升力面奇点后，然后再求它们对流场的扰动。
After the vortex distribution is solved according to the boundary condition of no-flow-penetrating through the blade surface, the velocity reduced by the propeller can be calculated.
根据桨叶表面流动不穿透条件解出升力面奇点后，然后再求它们对流场的扰动。
After the vortex distribution is solved according to the boundary condition of no-flow-penetrating through the blade surface, the velocity reduced by the propeller can be calculated.
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