... Singer In Drag 歌手阻力 Reduction in drag 减阻 Winston Churchill in drag 温斯顿·丘吉尔拖着沉重的步伐 ...
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Drag Reduction in Nature 自然界生物减阻
But once the vessel is in motion the additional drag results in only a 3-5% reduction in speed, says Mr Ray.
但是雷说，船一旦开动起来，其附加阻力造成的减速仅在3 - 5%。
The drag reduction of plane-surfaces with V-shaped grooves is given out by direct numerical simulation, and the drag reduction mechanism in the base of the secondary flow theory is suggested.
利用直接数值模拟方法求得平板上V—型条纹表面上的降阻情况，并给出基于二次流动理论的降阻机理。
The proposed drag reduction mechanism and drag reduction method are valuable both theoretically and in engineering to realize the low drag pipeline transport of highly viscous fluid.
所提出的减阻机理及工程减阻方法对实现高粘度流体的低阻力管道输送具有重要的理论指导意义和工程应用价值。
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