查询词典 turbulence

Some characteristics of atmospheric scintillation under the condition of nonhomogeneous turbulence are quite different from those deduced from homogeneous condition.

着重讨论了远程光束闪烁的空间相关及其相关尺度。

A detailed investigation was conducted in this paper on the flow asymmetry and its influencing factors over an ogive slender body model, incorporated with surface pressure measurement, skin oil flow pattern visualization, hot wire dynamic signal acquasition and other relevant approaches, in a low turbulence wind tunnel.

现代先进战斗机和战木导弹常具有细长前体，大攻角条件下前体背风面会形成非对称涡结构，从而产生很大的侧向力和偏航力矩，这会严重影响飞行器的可操纵性和飞行安全。

So it gives linear voltage output. The instrument was used to measure distributions of velocity and turbulence intensity on sections both in pipe line and open channel.

在国管和明槽内进行的断面流速分布量测结果与理论计算值以及其它仪器的实测资料能较好地符合。

Based on depth averaged mathematic model of flow and pollutant tr ans portation in non orthogonal curvilinear coordinates , the k-ε double equat ions' turbulence model and the coupling arithmetic of velocity water depth are a dopted, which are applied to the numerical simulation of the flow and the contam ination diffusion transportation.

基于非正交曲线坐标下水流与污染物扩散输移的深度平均数学模型，采用k -ε双方程湍流模型和速度—水深耦合算法，应用于实验室连续弯道的水流及污染物扩散输移的数值模拟，分别计算了流场及岸边和中心污染物排放的浓度场，得到与实测值吻合良好的计算

Phase screen which has same statistics as turbulence-induced atmospheric phase (vonKarman and Kolmogorov spectrum) will be generated by covariance method using pulse function as an orthonormal basis function.

提出正交基为冲激函数的协方差法，在Matlab中仿真实现符合大气湍流统计分布（vonKarman谱和Kolmogorov谱）的大气相位屏。

The turbulence was powerful enough to blow the roof off this house. This tree was uprooted, so volunteers decided to saw the trunk into moveable pieces for removal. The work is tedious, but for 10 year-old Nicholas Parrott, the two days he's been involved have gone by quickly.

风的强度大到把屋顶掀开，树也连根拔起，志工钜成小段，方便搬移，工作很辛苦，但对於年仅十岁的派洛特，两天的工作时间一下子就过去了。

Then flow conservation equation, k-ε turbulence model, particle movement model and numerical schemes are detailed.

较详细地介绍了CFD中流动控制方程、紊流模型、粒子运动模型，以及数值方法。

Constant study indicates that atmosphere turbulence is one of the primary factors that affect the precision of measurement in photoelectricity large-scale measurement instrument.

经过长期的研究，发现大气扰动是影响大尺寸光电测量精度的主要因素之一。

Through to the arrangement of the epidemic diseases of this period , we can find the following characteristics: First, epidemic diseases were closely related to political situation turbulence and incessant war; Secondly , had obvious seasonality and regional characteristics , the pilosity ,to summer and the South areas; Third, the epidemic diseases were often accompanied natural calamities such as bloods and droughts ; Finally, it was apt to cause epidemic diseases that the heavy forced labour taking place.

通过对此时期疾疫资料的整理，可以发现如下特点：第一，疾疫与政局动荡和战争兵燹密切相关；其次，具有明显的季节性和地域性特征，多发于夏季和江南地区；第三，疫病多与水旱灾害相伴而来；最后，沉重的徭役征发也容易引发疾疫。

Characteristics can not fly; legs was born in the most lower body, it was upright posture; toes webbed; plantigrade sex; forelimbs into flippers; feathers short, in order to reduce friction and turbulence; retention layer of air between the feathers for insulation .

特征为不能飞翔；脚生于身体最下部，故呈直立姿势；趾间有蹼；跖行性；前肢成鳍状；羽毛短，以减少摩擦和湍流；羽毛间存留一层空气，用以绝热。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。