查询词典 vortex ring

Revolving tolerance includes radial and axial runout of assembled bearing inner ring and outer ring, inner ring reference fcace runout with bore and outside cylindrical surface runout with outer reference face.

旋转精度是规定旋转时振摆的，包括内圈及外圈径向摆动和轴向摆动，内圈侧摆及外径面垂直度公差范围。

The main products are SF-1 (as the base plate of the middle sintering Copper Balls powder, surface modified PTFE); SF-2 (plate as the base of the middle sintering Copper Balls powder, surface modified POM); JDB (For brass, bronze, iron-based body, inlaid solid lubricant); dual-metal (steel as the base for the various models of the surface of copper); production of various enterprises have also filled with PTFE, the curve of bearings, bearing powder metallurgy, by Chun-for the Pistons, Piston Ring, ethylene tetrafluoroethylene ring, ring.

主要产品有SF-1（钢板为基体中间烧结铜球粉，表面为改性聚四氟乙烯）；SF-2(钢板为基体中间烧结铜球粉，表面为改性聚甲醛)；JDB（为黄铜、锡青铜、铸铁为基体，镶嵌固体润滑剂）；双金属（钢板为基体表面为各种型号铜）；企业还生产各种填充四氟带、曲线轴承、粉末冶金轴承、减震器活塞、活塞环、四氟乙烯密封圈、环。

The Vortex has a very direct and sharp turn.

漩涡有一个非常直接和锋利的轮。

According to the understanding of the flow characteristics, a mechanism of formation of vortex streets has been proposed to be the absolute instability of the wake, and several methods of flow control have been developed and shown successful.

根据表面流动及尾流特性的研究结果，从流动稳定性的角度提出了尾流中涡街产生的机理，在于尾流中存在着绝对不稳定的区域。基于对流动特性的理解，从改变流动稳定性的角度，寻求各种流动控制方法。试验结果表明这些方法是成功的。

On the forepart of the vortex, the fluid rotates adown and changes the speed type of ground, the inflexion whose position falls continuously appears, the sweep appears, and the inflexion is below the sweep.

其前部向下旋转的流体会造成当地速度型改变，形成拐点并导致拐点位置不断下降，出现下掠运动现象，速度型的拐点在下掠运动的下方。

The effects of magnitude and distribution of the electromagnetic force on the flow around the aerofoil were investigated. The results show that the electromagnetic force with large magnitude and concentrated distribution on the surface of aerofoil is advantageous to eliminate vortex structures and boundary separation, and therefore to increase the lift-drag ratio.

同时对不同电磁力大小和分布影响翼型表面边界层流动的规律进行了探讨，其结果表明，较大的电磁力和更加集中于翼型表面的电磁力分布可以很好地消除涡结构，抑制边界层分离进而达到提高升阻比的效果。

In the experiment, an accelerater is used as sensor to pick up the vibration signal of aerofoil, loudspeakers are used as vibration control sources, the aerodynamic load on the aerofoil is produced by the coupling of sound and vortex.

实验中采用加速度计作为传感器，拾取机翼振动的信号，用扬声器作为振动控制源，通过声—涡的耦合来产生作用在机翼上的气动载荷。

The flow field of cavity with fuel supply injection located at the forebody and afterbody in trapped vortex combustor was studied using particle image velocimetry testing technology.

采用PIV技术，对凹腔供油位置不同时凹腔内的冷态流场进行对比研究。

Fly with all speed where first the red star's vortex gathered up its nebulae, millions of years agone, and on the way say: God hath decreed a pruning- knife to a traveling world.

注：该英语古诗极难翻译，里面有不准确之处，望见谅。

He taught everyone to see the developing world not as an also-ran but as a vortex of innovation and creativity.

他让大众明白，不要把发展中国家看做失败者，而是看做革新和创造力的中心。

I was just taking her hand, to help her out of a car, and I knew it.

我只是握着她的手，扶她下车，但我知道这一切。

China and South Korea have excoriated Japan over its approval of new school books which they say whitewash the atrocities committed during Japanese occupation, and anti-Japanese protests have been held in Chinese cities. The lingering bitterness over Japan's past imperialism still threatens to mar relations between the big East Asian powers

中国和韩国强烈谴责日本通过新的中学历史教科书，他们认为这一教科书掩盖了日本在其占领期间所犯下的残酷暴行，反日抗议活动在中国数座城市发生，历史上日本帝国主义制造的痛楚无法被忘却，这有可能破坏东亚强国间的关系。