Rotational symmetry (or radial symmetry) is when an object is rotated in a certain direction around a point.
旋转对称(或称放射对称)是指某一物体绕着某一点在某一方向上做转动。
That is a property of the circle that the radial direction is perpendicular to the circle. Actually, let me complete this picture.
这不过是圆的性质——径向垂直于圆，我来画完这张图吧。
Single-row Angular Contact ball bearings can sustain radial, axial or composite loads, however, any axial load must be in one direction.
单列角接触球轴承可承受径向，轴向或复合负荷，不过，任何轴向负载必须在一个方向。
Then this is the component in your direction we call that the radial component which is v cosine theta.
这是y方向的，组成因素,我们称之为辐射组成,等于vcosθ
Along the radial direction, from the inside to the outside, in the sample of NDdirection, the direction of grain decreased (010).
沿径向方向看，从里至外，在样品ND方向，(010)方向晶粒逐渐减少。
Adjusting roller bearings can bear the load and two radial direction of the axial load.
调心滚子轴承可以承受径向负荷及二个方向的轴向负荷。
Four row circular cone roller bearings its performance and double row circular cone roller bearings basic same but may withstand the bigger radial direction load and the two axle to the load.
四列圆锥滚子轴承其性能与双列圆锥滚子轴承基本相同，但可承受更大的径向载荷和双轴向载荷。
Take into account the belt is on the sheave the premise of both radial and direction slippage, the new formula is more perfect than ever.
考虑皮带在带轮上既有径向滑动，又有周向滑动的前提下，改进后的计算公式比现有的计算公式更加完善。
Obtained are the locations of two peaks in the radial direction and the local Nusselt number.
就引射、局部换热系数径向分布峰值出现的位置及机理进行了分析、讨论。
The maximum vibration speed occurs at the radial direction of tunnel wall facing the blasting side, which can be regarded as the controlling vibration speed.
最大振动速度出现在迎爆侧边墙测点的径向方向，可将其作为爆破振动的控制速度；
The equivalent thermal conductivity of oscillating heat pipes in radial and axial direction was presented.
给出了振荡热管的径向和轴向当量导热系数；
A rotor system of the magnetic suspending wind power generator is designed, which is supported with magnetic bearings in radial direction and constrained with mechanical force in axial direction.
设计了一种磁悬浮风力发电机的转子系统，径向方向采用磁力轴承支承，轴向方向靠机械力约束。
Due to the self-similarity in radial direction of the grid system, SIP-CESE model has also been parallelized by using the Message Passing Interface (MPI).
同时，依据网格系统在径向方向上的自相似性，利用MPI库函数对模式进行了并行化。
The present invention ensures that the inner tube of the tyre can be pricked in the radial direction by sharp matter.
其优点是保证轮胎的内胎在径向方向上不能被利器刺破。
When programming with incremental value, in radial direction, the displacement of two times the actual value, and the enclosed said direction signs (omit the positive).
用增量值编程时，以径向实际位移量的二倍值表示，并附上方向符号(正向可以省略)。
This paper introduces the structure principle of parallel gear pump in plane, analyses the hydraulic forces and mesh forces in radial direction of driving and driven gear.
介绍了平面式并联齿轮泵的结构原理，对主从动齿轮的液压径向力，啮合力分别进行了分析。
With the use of differential control, could make the cutter which installed on the disc could moved along radial direction.
通过差动控制，可使安装在花盘上的刀具能沿径向作进给运动。
The gas atom density exhibits a concave profile in radial direction.
气体原子密度的径向分布呈一凹形。
In thermoacoustic system, the oscillating heat transfer in regenerator is along the axis direction of the stack and in heat exchanger it is along the radial direction of the tube.
在热声发动机系统中，回热器的振荡换热是沿流体通道的轴向，而加热器振荡换热主要是沿流体通道径向。
Four row circular cone roller bearings its performance and double row circular cone roller bearings basic same, but may withstand the bigger radial direction load and the two axle to the load.
四列圆锥滚子轴承其性能与双列圆锥滚子轴承基本相同，但可承受更大的径向载荷和双轴向载荷。
With respect of bamboo, bending strength and modulus of rupture increased gradually from inboard bamboo inner place to outboard bamboo skin in the radial direction.
毛竹沿径向的弯曲强度和弯曲模量从最内层竹黄处向最外层竹青处逐渐增大。
YRT series cylindrical roller and thrust needle roller combined bearings, with high rotation accuracy, can support heavier radial loads, double direction axial load and inclined torque, etc.
圆柱滚子和推力滚针组合轴承yrt系列具有旋转精度高、可承受较大的径向载荷和双向轴向载荷以及大的倾覆力矩等特点。
It is shown that the "damping" effect mainly exists in the zone of 0.5d from the impingement wall, and there are positive as well as adverse pressure gradient in the radial direction.
表明壁面的“阻尼”影响主要集中在近壁面0 . 5D以内，在径向上流动既有顺压梯度，又有逆压梯度。
The Fourier series are also used for dealing with the problem of the sectional continuous load along radial direction.
还用富里叶级数处理沿径向分段连续荷载的问题。
It is shown that, the axis rotates to the radial direction in the orthonormal frame if the gyroscope freely falling along the radial direction.
结果表明，在正交标架中，当陀螺沿径向自由下落时，其自转轴朝径向偏转。
It was observed, that the main forces were acting along the axial direction and not along the radial direction.
我们发现，作用力方向主要位于轴位上，而不是沿放射状分部。
The results show that microstructure of weld zone greatly changes in the radial direction.
结果表明，焊缝组织沿径向有较大的变化。
Moreover, the re-distribution of stratified particles along the radial direction of the sluice is further described by using the F-distribution of statistical mathematics.
用统计数学中的F-分布描述分层后的矿粒在溜槽径向的再分布，然后将两者结合建立能完全描述矿粒在螺旋溜槽中分选行为的随机数学模型。
This paper discusses the optimum design for laminated plates which can bear the internal pressure and simultaneously the one dimensional and unstable temperature field in the radial direction.
讨论了面内力和法向一维非稳定温度场同时作用下复合材料层合板的优化设计。
This paper discusses the optimum design for laminated plates which can bear the internal pressure and simultaneously the one dimensional and unstable temperature field in the radial direction.
讨论了面内力和法向一维非稳定温度场同时作用下复合材料层合板的优化设计。
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