查询词典 jet stream

The STE dominated by the intrusion of stratospheric air has been testified as a cause of ozone enhancement in upper troposphere over East Asia at the end of March 2001. This STE relates to the surface high moving southward, the upper cold eddy deepening and drifting eastward, the convergence of Subtropical Jet and Polar Front Jet associated with the cold front, the increasing temperature gradient near the jets, and the enhancing baroclinic instability.

天气诊断和动力分析表明，2001年3月底东亚地区几个臭氧探空测站探测到的对流层上层臭氧增加是以平流层空气下传为主的STE过程导致的，此过程与地面冷高压南下、高空冷涡加深东移的天气过程、以及冷锋推进引起的副热带急流和极锋急流的移动和汇合、急流附近的温度梯度加大、斜压不稳定增强等动力因素密切相关。

Powder Mill is a high-pressure resistant equipment company technical experts in the many years of research based on the industrial mills, drawing on the fineness of Germany and Japan advanced classification technology, according to fluid mechanics, devoted themselves to developing out with Jet Mill powder mill efficiency comparable to solve the domestic use of the high cost of jet mill problem, solve the ultrafine classification difficulties.

商品简介：高压微粉磨粉机是我公司耐磨设备技术专家在多年的研究工业磨粉机的基础上，吸取了德日先进的细度分级技术，根据流体力学原理，潜心研制出的可与气流磨相媲美的高效微粉磨机，从而解决了国内采用气流磨成本高的难题，解决了超细粉分级难关。

The results show that jet fuel price mean and profit mean were influenced by initial value of change probability vector and adjustment rate of jet fuel price.

结果表明，航油价格均值和利润均值与价格变化概率向量初值和价格调节率有关。

The velocity distributions and the surface pressure distributions of rotor blades and stator blades are acquired, furthermore, the efficiency and the thrust of the pump-jet propulsor are calculated, to lay foundation for the design and the optimization of pump-jet propulsors.

获得了泵喷射推进器转子叶片和定子叶片上的速度分布及其表面压力分布，并由此计算了泵喷射推进器的效率和所产生的推力，为泵喷射推进器的设计及其优化打下了基础。

To understand the flow noise generation mechanism of pump jet propulsor, this paper calculates the flow field of a torpedo pump jet propulsor,analyzes the field structure, and then calculates its broadband noise with Proudman theory.

随着理论计算方法的逐步完善以及计算资源的增强，对流动噪声进行理论数值分析已逐渐可行并成为深入了解声源传播途径、噪声产生机理及噪声声级预报的重要手段之一。

However, in jet-propulsion the air is directed rearwards in a jet from the engine itself.

可是，在喷气推进器中，空气是从发动机本身，经喷管导向后部的。

The flow parameters such as the adhesion-wall effect of jet, penetration proportionlity of jet, momentum ratio, Reynold's number and incorporation time, which affect the mixing quality were analysed.

探讨了射流的流动状态如射流的附壁效应、穿透率、动量比及雷诺数等对混合的影响，并对混合时间进行了分析。

While this is being done, a supersonic nozzle injects a high-velocity gas jet in the area of the cut. The viscous molten material produced is then quickly stretched and cooled by the gas jet in a simple elongation process, to yield a disordered net of intertwined amorphous micro- and nano-fibres.

接著，以超音速喷嘴将高速气体注入熔融区，黏稠的熔融材料在简单的拉伸过程中藉由喷气快速冷却，产生一个非晶体微纳米纤维纠结成的网状结构。

Simply rotate the pistol head for patterns: jet to soft fan, gentle soaker, shower and perlator (soft jet mixed with air bubbles).

只需转动模式手枪的头：射流风机的软，柔和透雨，淋浴房，perlator。

The analysis shows that the snowstorm occured under the large scale circulation background of two-trough-two-ridge over the Eurosian continent, and resulted from the coupling of the upper level westerly jet and the low level southwesterly jet.

研究表明：这次暴雪发生在两槽两脊的大尺度环流背景下，是高空西风急流和低空西南风急流上下耦合作用的结果。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。