The 3 D incompressible N S equations with momentum source terms are solved to simulate the flow fields of coaxial rotor configurations.

通过数值求解带有动量源项的三维不可压缩N-S方程，模拟了共轴式双旋翼的流动。

Fortunately the web has already gained huge momentum, being the preferred delivery mechanism of today s applications.

幸运的是，web如今获得了巨大的推动力，已经成为当今应用交付的首选形式。

The tentative optimism in Europe contrasts with the news from the U. S., where there is mounting evidence that the already sluggish recovery has lost momentum.

对比在欧洲暂定乐观与来自美国的消息，那里有越来越多的证据表明，已经疲弱的复苏已经失去了势头。

The greenback fell broadly after weaker-than-expected U. S. consumer spending and housing data stoked worries that the economic recovery is losing momentum.

在美国消费支出数据和消费住房低于预期的数据加大了对经济复苏正在失去动力的担忧。

The sharp momentum in Chengyi s poetry is different from the peacefulness in that of Chenghao, which is caused by their spirits and learning styles .

程颐诗中表现出的披坚执锐的气势与程颢诗歌从容和平的风格迥然不同，而这种诗风的分野根源于二人在精神气质和学术性格上的差异。

The company's loss of momentum in the U. S., its most important market, may be its biggest headache.

美国是本田最重要的市场，在这一市场失去增长动力可能是该公司最头疼的问题。

Loan data from U. S. credit-card issuers offered scant evidence of an imminent turnaround, dashing hopes that positive trends from a month earlier were gaining momentum.

美国信用卡发行商的贷款数据没有表现出情况迅速好转的明显迹象，浇熄了市场对上个月的利好趋势得以持续的希望。

The U. S. economy will maintain the strong momentum of growth.

美国经济将续呈扩张势头。

And the stock prices of many technology companies have been under pressure since the spring, reflecting fears that the recovery 's momentum can't continue.

很多科技公司的股价自春季以来一直承压，反映出人们担心复苏的势头无法持续。

The parameter distribution and performance of supersonic combustor with cavity were calculated by means of the solution of 2-D N-S momentum, energy and mass fraction conservation equations.

用数值解二维N-S动量守恒、能量及组分守恒方程，模拟了一个设置空腔的超燃燃烧室流场参数分布及性能。