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Particular attention has been paid to the flow of air beneath the car, with a smooth underfloor, wheel spats and wing-shaped vertical fins contributing to the control of vertical body movement and optimisation of front and rear lift coefficients.

特别注意了对汽车下方的空气流动,以顺利地板下,车轮的争吵和机翼形有助于身体垂直运动和前后升力系数的优化控制垂直尾翼。

For this project, in virtue of the experimental observations on the vertical vibrator,the invert torsion pendulum and the vertical pipe with capillary outlet,and by using numerical simulations of the discrete element method, the mixing and segregation of granular materials of spherical and neraly spherical shape with the different size and different density under the vertical vibration or parallel shear motion have been researched, and the relationship between the macroscopic segregation properties and the microscopic characteristics of granular materials and the outer actions has also explored. The theoretical model and method describing the mixing and segregation of granular materials is developed.

本项目通过在垂直振动台、倒扭摆、带毛细出口的竖直玻璃管等装置上进行实验观测,并采用以离散元方法为主的数值模拟,研究了具有不同粒子尺寸、密度的球形或近球形颗粒物质在具不同结构形状容器中垂直振动和剪切运动时的粒子混合和偏析情况,探索颗粒材料流的宏观偏析特性与微观特征量及外部作用间的关系,发展描述颗粒物质混合和偏析的理论模型和方法。

Assumption of plane waves radiating from a point source leads to two rotational components: rocking around a horizontal axis perpendicular to the source-site direction and torsion around a vertical axis.

点源面波辐射假设产生了两个旋转分量:绕水平轴垂直于震源-场地方向的摇摆及绕垂直轴的扭转。

According to the results of this study, the ultimate strength of pin-bone interface increased as the moment arm decreased and torque increased. When the pin-bone angle approached 90°, the ultimate strength was the largest and as the angle decreased, the ultimate strength decreased. There was no significant difference between rigidity and torque, but rigidity decreased as the skull-bone angle decreased.

结果发现钉骨界面的极限强度在头圈距离颅骨的力臂短时较高,且随著所用扭力的增加而增加,当头钉与头骨表面的夹角成垂直时最强,随著夹角越趋锐角而渐减,钉骨界面的刚性与扭力并无明显关系但与夹角有关,夹角垂直时刚性最高,而后随著夹角渐趋锐角而递减。

The apparatus includes a generally horizontal tool support tray and a vertical stand providing means for supporting a tray for adjustable vertical movement, to permit the height of the tray to be varied depending upon the height of the vehicle when the vehicle is supported on a hydraulic vehicle lift

用具包括一个一般水平的工具支持盘子和一个垂直的立场提供手段为支持一个盘子为可调整的垂直的运动,允许盘子的高度是变化的取决于车的高度当车支持在一种水力车推力

A high precision GPS monitoring network, which consists of five tide gauge stations, was established along the coastal line to separate the sea level changes information obtained by the tide gauge stations from the vertical continental movement at the tide gauge stations.

为了将验潮站得到的海平面变化信息与验潮站所在陆地垂直运动分离开来,获得海平面变化的绝对信息,在我国沿海5个验潮站建立了一个高精度的GPS陆海垂直运动监测网。

To further study this problem, the optical axis is rotated by an arbitrary angle. A striking phenomenon is discovered that the Brewster angle is always equal to the rotation angle. This is because the waves in the direction perpendicular to the optical axis become evanescent since the permittivity is positive while the permeability is negative in this direction.

然后进一步的研究了主轴不垂直于界面的情况,发现主轴转动的角度恰好等于此时的Brewster角,这是因为此时垂直于主轴的方向上介电常数为正磁导率为负,只有倏逝波而没有可传播的波存在,因此反射系数为0。

To ensure aburning surface that is perpendicular to the strand vertical axis, thetip of the strand was filed flat.

以确保燃烧的表面是垂直于钢绞线垂直轴,提示该钢绞线备案的单位。

On each side of the longitudinal axis, the solid, rigid support is provided with a single-piece component (31, 31') having an L-shaped profiled cross-section comprising a substantially vertical branch (32) that extends along a corresponding side of the enclosure and a substantially horizontal branch (33) that extends underneath the latter, forming at least one part of the base (3) of the solid support that rests upon the ground.

在纵向轴线(0,0')的两侧,固体刚性支承体有一单件部分(31、31'),该单件部分的截面成L形,包括基本垂直的分支(32)和基本水平的分支(33),该垂直分支(32)沿壳体的相应侧而延伸,该水平分支(33)在壳体下面延伸,并形成置于地面上的固体支承体中的基座(3)的至少一部分。

Using density functional theory, the adsorption of cyanide on the different sites of Cu(100) surface was studied with end-on and side-on geometries.

采用密度泛函方法,以原子簇Cu14 为模拟表面,对CN自由基分子在垂直和平行Cu( 10 0 )表面不同位置的吸附情况进行了研究,结果表明:通过原子C垂直吸附在表面的顶位是其最佳吸附方式,吸附后CN键振动频率发生蓝移;而其它吸附方式中CN键振动频率均发生红移。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

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