压力带来的阻力来自于游泳者的前部对水面以及后部流体分层。
The pressure drag comes from the front of the swimmer exposed to the water and the flow separation behind the swimmer.
这种倾斜的外形把超音速飞行时集中在飞机前部并形成阻力的冲击波重新分布。
This oblique configuration redistributes the shock waves that pile up in front of a plane at Mach speeds and cause drag.
前沿阻力可以由迅捷而有力的前伸和打水来克服,比如前伸和打腿动作能把更大部分的身体前部抬高。
Frontal drag is reduced by thrusting and kicking, which brings the body up higher out of the water.
试验数据分析结果表明,不同客车前部造型对气动力影响非常显著,如通过改善造型可使空气阻力系数由0.7509降为0.5759。
The analysis of aerodynamic force data shows that differ front shape is very important to aerodynamic force. For example, coach model air drag coefficient can be lowed to 0.5759 from 0.7509.
无论是前部和后部轮胎高压,低滚动阻力硬道理轮胎(Michellin临2竞赛)。
Both the front and rear tires are high pressure, low rolling resistance clincher tires (Michellin Pro 2 Race).
无论是前部和后部轮胎高压,低滚动阻力硬道理轮胎(Michellin临2竞赛)。
Both the front and rear tires are high pressure, low rolling resistance clincher tires (Michellin Pro 2 Race).
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