These disrupt the Earth's magnetic field and reverse the Earth's magnetic poles' rotational direction.
这些破坏了地球的磁场和扭转地球磁极'旋转方向。
The frame is suspended in such a way that its motion is severely restricted in all but the rotational direction.
该框架以这样的方式悬挂，使其除旋转方向之外沿所有方向的运动被严格地限制。
Whatever movement the cloud had becomes intensified as it condenses, determining the rotational direction of the star.
云团凝结时在做什么运动，就决定了恒星的自转方向。
And molded-in arrows on top of the handle dictate rotational direction to personnel for easy operation within 90o stops.
手柄顶部模铸的箭头指示旋转方向，使得操作人员容易在90o角内操作。
And molded-in arrows on top of the handle dictate rotational direction to personnel for easy operation within 90o stops.
手柄上模铸的箭头表示旋转方向，方便操作人员在90o角度范围内进行操作。
And the winding structure of a longer quiet filament may exist, the motion of the filament is comparatively complex and the rotational direction alters along the axis.
而较长的宁静型暗条可能存在着缠绕结构，其运动较为复杂，旋转方向沿轴向发生变化。
One side of the knife body is provided with a kidney-shaped hole that stretches put along the rotational direction of the knife body so as to facilitate the rotation of the knife body.
在刀具本体上的一侧开设有一沿刀具本体转动方向伸展的腰形孔，以方便转动刀具本体。
The rotational direction of the southern leg system was in accordance with that of the main sunspot with N-polarity below it, which shows that there may be some internal relation between the two.
南腿系的旋转跟它下面的N极主黑子的旋转方向一致，表明两者之间可能存在着某种内在的联系。
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。
Nor do the laws of nature change depending on the direction in which you look (rotational symmetry).
定律也不会因为你观察的方向不同而改变(这是转动对称性，Rotational Symmetry)。
On dry surfaces, the front of a spinning sphere generates more friction than the back, and the sphere veers in a direction different from that of the rotational vector.
在干燥表面上，球体运动时前方受到的摩擦力比后方要大，且其旋转方向和滑行方向是不同的。
However, the semicircular canals that the researchers stimulated to control walking and balance detect rotational movements of the head, not the direction of gravity.
然而研究人员通过刺激可以控制行走和平衡的半规管却是检测头部的转动而不是重力的方向。
Conclusion and the result showed that the proposed method performed better, exact orientation of rotation direction and rotational Angle size discrimination has also been done.
结论得到了良好的识别效果，并实现了旋转方向的准确定位和旋转角度大小的比较判别。
The refractive index distribution does not have the rotational symmetry, but concerns with the direction.
折射率分布不具有旋转对称，而是与方向有关。
While the rotational speed increases, the velocity presents less variations in the hub-to-shroud direction.
当提高转速时，气流速度沿扩压器宽度方向的变化较小。
The kinetic energy is distributed asymmetrically in the axial direction, and the asymmetry variation is a function of the rotational speed due to the influence of the free surface.
由于自由液面的作用，湍动能在高度方向上呈非对称性分布，并且这种非对称性随转速的变化而变化。
Principal directions of a rotational surface were mapped to Gaussian sphere in the algorithm, and principal direction Gaussian image(PDGI) was generated.
该算法对旋转面主方向映射到高斯球面，生成主方向高斯图像（PDGI）。
The invention can be mainly applied on axial direction locating of rotational axis components of mechanical equipments and bearing axial force.
主要用于机械设备的旋转轴类部件轴向的定位及承载 轴向力。
Radial (x direction and Z direction) vibration acceleration components are sensitive to the rotational speed, while axial (Y direction) vibration acceleration component is insensitive.
径向(X向和Z向)振动加速度分量对转速敏感，而轴向(Y向)振动加速度分量则不敏感。
Radial (x direction and Z direction) vibration acceleration components are sensitive to the rotational speed, while axial (Y direction) vibration acceleration component is insensitive.
径向(X向和Z向)振动加速度分量对转速敏感，而轴向(Y向)振动加速度分量则不敏感。
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