In this paper, the forced rolling movement about the symmetry axis at a fixed Angle of attack is numerically simulated.
采用数值模拟方法模拟了乘波飞行器在固定迎角下绕其对称轴强迫滚转运动这一过程。
The volunteers in this study were taught how to turn a fall into a rolling movement by bending and twisting the torso and neck.
在这项研究中，志愿者被教导如何通过弯扭脖子和躯干将跌倒转为滚动运动。
The results show that the friction coefficient in rolling condition fluctuates with time and the period is equal to that of rolling movement.
结果表明：摇摆条件下摩擦阻力系数随时间周期性波动，波动周期等于摇摆运动周期。
The experimental rolling simulation stand for anti -rolling tank performance is a testing facility of simulating ship rolling movement in the action of waves based on similarity rules.
减摇水舱性能试验摇摆模拟台是根据相似准则建立的一种模拟在波浪作用下船舶横摇运动的试验装置。
At the thought the minor movement of the Beethoven begins to play in her head, the trills long and terrible like little rolling drums.
一想到这，贝多芬的小调乐章就开始在她脑海里演奏起来，悠长而又可怕的颤音，像是轻轻擂出的鼓点- - - - - -。
Lift the head slightly, rolling it, and rotate the neck slowly toward one shoulder. Hold for one second, release, and repeat this movement the other way.
头轻轻往上伸，并转动头部，缓慢转向一侧肩部，维持一秒钟再放松，转向另一边，重复这个过程。
Beyond motion sensing, which a mouse rolling on its trackball already does handily, or iPhone pinching, gesture sensing can allow movement in three dimensions.
鼠标的滚轮和ipone都可以进行动作感应，但是只有手势感应允许动作在三维空间内进行。
Meanwhile, it is both Israel's interest and its duty to begin rolling back the measures of occupation, particularly with respect to movement, access and security actions.
同时，开始减少各项占领措施，尤其是关于行动、进出和安全行动的措施这既符合以色列的利益，也是以色列的义务。
This essay analyzes movement structure of rolling bridge and studies ground techniques through level principle and stable angle principle.
分析了滚桥技术的动作结构，通过杠杆原理和稳定角原理对跪撑进行分析。
When the CAM is chiefly transferred movement, the choice of radius of base circle firstly is considered the roller's continuous rolling.
当凸轮机构主要用于传递运动时，基圆半径的选择可使滚子做连续滚动为优先考虑条件。
In the process of rolling, the movement of rolling sets decide the rolling pressure, the deformation of the spindly shaft and consequently the rolling quality.
在滚压加工工艺中，滚压套的压下量大小决定了滚压力的大小并决定了细长轴表面发生弹塑性变形的状况，从而决定了细长轴的加工质量。
In this paper, the engaging movement of ring rolling is analyzed; a conjugate design method for ring rolling groove is developed based on the gear engaging theory.
本文分析了环件轧制的啮合运动，基于啮合理论提出了环件轧制孔型的共轭设计方法。
Owing to the rather complex structure and unique movement process of rolling of the mill, it is impossible to use relevant conventional method to study the movement thereof.
由于该机的结构复杂，轧管的运动方式也比较独特，因而不能用传统的手段来研究其运动。
The rotate speed of the guide roll has no relations to the ring dimension and movement and has relations to guide roll dimension, driven roll dimension and movement when the guide rolling is fixed.
对于立式轧环机，当导向辊固定导向时，其旋转速度与环件的尺寸和运动无关，而与导向辊的尺寸、驱动辊的尺寸和运动有关；
When the bearing rings or washers relative rotation (radial or thrust bearings) or when the rolling elements in rolling direction of movement (linear bearings), the role of the load on the bearings.
当轴承套圈或垫圈相对旋转时(向心或推力轴承)或当滚动元件在滚动方向运动时(直线轴承)，作用在轴承上的负荷。
The movement acceleration of rolling rock has a linear correlation with those above critical factors.
滚石运动加速度与上述决定性因素之间可用线性关系来描述。
The main differences between warhead and bait are their movement ways in the midcourse of ballistic missiles, and rolling motion is the major way for bait.
弹道导弹飞行经历中段时，弹头与诱饵的主要差异是运动方式的不同，而诱饵大都呈现翻滚运动方式。
The simulation methods for pitching movement I going off course and rolling of spaceships are described, and the vision simulation of moving conditions could be realized.
论述模拟宇宙飞船的俯仰、偏航、滚转等各种飞行姿态的方法及动态下的视景模拟。
The feeding guide of the sawing frame is the middle guide with down guide, it is also rolling guide, which pledged the equability and agility of the movement.
锯架进给导向为中间导向加下导向，且为滚动导向，保证了运动的平稳性和灵活性。
About the role players to control movement through the plate, needle plate, shell plate, rolling, etc. transitional realize downstairs.
玩家控制角色左右移动，通过平板，针板，弹板，滚板等的过渡实现下楼。
Glass Beads Box: Hand movement in step clutch, gear cycle, rolling sowing, and disassembly design.
玻璃珠箱：手动同步离合器，齿轮转动，滚动撒播，可拆装设计。
Through axial movement of work roll and cooperating with hydraulic bending roll technology, WRS rolling mill can increase plate shape controlling capability and can improve edge thinning of plate.
WRS轧机通过工作辊的轴向移动，配合液压弯辊技术，提高了板形控制，改善了边部减薄。
Through re - design to working axis system and axial movement mechanism the general 4h rolling mill can be reformed into WRS rolling mill.
对工作轴系的结构及轴向移动机构重新设计，可将普通四辊轧机改造为wrs轧机。
The feet can make any massaging movement in any form along any direction on the foot pedal rolling massaging device. The user can also simultaneously use the balls to massage matching with palms.
由底盘、带有工字型凸筋轨迹槽和对称的圆形凸筋轨迹槽以及一对按摩球构成的脚部滚踏按摩器。
Men go to admire the high mountains and the great flood of the seas and the wide-rolling rivers and the ring of Ocean and the movement of the stars; and they forget themselves.
人们去赞美高山、大海，以及大河的蜿蜒和星斗的移动，但是他们忘记了考虑自己。
Men go to admire the high mountains and the great flood of the seas and the wide-rolling rivers and the ring of Ocean and the movement of the stars; and they forget themselves.
人们去赞美高山、大海，以及大河的蜿蜒和星斗的移动，但是他们忘记了考虑自己。
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