Earth's unique and massive satellite, the Moon, plays a crucial role in stabilizing the obliquity of Earth's rotational axis.
地球独特而巨大的卫星——月球，在稳定地球旋转轴的倾角方面发挥了关键作用。
Finally, Earth's unique and massive satellite, the Moon, plays a crucial role in stabilizing the obliquity of Earth's rotational axis.
最后，月球作为地球独特而巨大的卫星，在稳定地球旋转轴的倾角方面发挥了关键作用。
The rotational angle of a ball around its rotational axis.
转轴角-----球旋转时转轴的水平角度。
We extract the geometry features according to the rotational axis and the profile.
根据旋转轴和轮廓线，提取碎片的几何特征；
Uranus is the only planet in our solar system with its rotational axis tilted over sideways.
天王星是太阳系中唯一一个绕其旋转轴运转的行星。
The optical system moves in translation parallel to the rotational axis (22) to scan the sample.
光学系统在平行于转动轴方向(22)上平位移动以便扫描该样本。
That figure axis is near, but does not quite align with, the rotational axis that the Earth spins around.
这个几何中轴靠近，但的确是和地球自转中心排成一行。
This conclusion is consistent with the hypothesis that the rotational axis of the minor planet has no precession.
这个结论和小行星自转轴不进动的假定是一致的。
This paper analyzed the configuration of the five-axis machine tool with a nutating head whose rotational axis is in an inclined plane.
分析两个旋转轴非正交的倾斜旋转轴结构的五轴机床结构，运用机构学理论建立该类型五轴机床机构学模型。
The anchoring element (13) is pivotable relative to the receiving part (1) around one rotational axis transverse to the longitudinal axis (4).
所述锚固元件(13)可绕横向于所述纵向轴线(4)的一个旋转轴线相对于所述接纳部枢转。
Uranus has an odd magnetic tail because of the tilt of its rotational axis and also its magnetic field (about 60 deg from the rotational axis).
天王星有一个，因为它的自转轴倾斜多磁尾，也是其磁场的旋转轴（约60度）。
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。
This article gives the calculation of the change of rotation of the earth and the shift of rotational axis due to the annual change of the mass.
本文提供了由质量周年变化而引起的地球自转及自转轴移动变化的计算。
Extracting entire features, such as rotational axis and profile from archaeological fragment is helpful for rapid reconstruction of cultural relics.
从来自旋转体文物碎片中估计出旋转轴，轮廓线这些整体特征有助于快速修复文物。
Even given the precession of the Earth's rotational axis over the millennia, the Sun continues to rise over Stonehenge in an astronomically significant way.
即使有几千年的地球自转轴的进动，太阳仍然以天文意义上的方式从巨石阵上方升起。
We intentionally render the rotational axis of growing crystal to deviate from the symmetry axis of the temperature field, the temperature fluctuations with sinusoidal form in meniscus are produced.
使晶体转轴与温场对称轴不一致，则在晶体弯月面内会产生随时间变化的正弦波式的温度分布。
Careful observations should also detect other relativistic effects, including the precession of the pulsar's own rotational axis due to the effect of the pulsar's spin on the surrounding space-time.
仔细的观测还应该能发现其他有关相对论的影响，如由于脉冲星自转对周围空间—时间环境的影响而造成的对自转轴摆动的影响。
Well, the sun rotates about its axis in 26 days, the earth in one day, and so I finally convert everything to MKS units and I find these Numbers for the rotational kinetic energy.
太阳的旋转周期是，26天，地球是一天，最后把一切转化成，米千克秒的单位，得到旋转动能的数据。
However, if you look at rotational kinetic energy, the situation is very different, because this neutron star rotates in 33 milliseconds about its axis.
然而，如果考虑旋转动能，情况就不同了，因为这个中子星，旋转一周是33毫秒。
There is no need to control the rotational position about the axis of the bore, because up to the time when the holes are drilled, it is symmetrical about that axis.
由于直至钻这些小孔时，工件都对称于大孔轴线，所以没必要控制围绕大孔轴线回转的位置。
Then the plan is to give the spacecraft some rotational stiffness about the Y axis so the elevation angle can be controlled easily.
接下来会有一个关于Y轴转动刚度的计划给航空器好让仰角就可以很容易被控制。
The influence of coverage due to the radius, angular velocity, pitch , double thread of plastic screw, and rotational mode of steel axis are also discussed in here.
文中并探讨了塑胶导螺杆半径、转速、螺距、双螺纹与钢轴旋转模式对钢珠表面检测覆盖率影响。
Results The rotational alignment of the femoral components paralleled to the transepicondylar axis had the best results of the peak value of the patellofemoral contact pressure(P< 0. 05).
结果当股骨假体的旋转与经股骨上髁轴平行时，测得的髌股关节峰值接触压结果最优（P< 0．05）。
A new measuring instrument of rotational inertia has been devised by the fixed - axis rotation principle and parallel axis theorem of compound pendulum.
利用复摆定轴转动原理和刚体平行轴定理设计的一种新型转动惯量测定仪。
Use of rotational inertia of the definition of calculated rigid oval ring around the ring with the vertical plane through the central axis and the moment of inertia.
运用转动惯量定义式直接计算出椭圆环刚体绕垂直与环平面且通过中心轴的转动惯量。
The connection portion connects the first and second bearing portions at a position opposite the gap with respect to the rotational center axis.
和设置在第一支承部、第二支承部或连接部上并构造成与所述安装构件接合的接合部，其中所形成的间隙使所述旋转轴能够通过该间隙。
A gap is formed between the first and second bearing portions along the rotational center axis.
在相对于所述旋转中心轴与所述间隙相对的位置连接所述第一支承部和第二支承部的连接部；
Through changing the structural parameters of the principal axis system, we can obtain the effect of each parameter on the critical rotational speed.
并针对立轴系统各结构参数的改变，得到了分离机立轴系统各结构参数对其临界转速的影响。
Through changing the structural parameters of the principal axis system, we can obtain the effect of each parameter on the critical rotational speed.
并针对立轴系统各结构参数的改变，得到了分离机立轴系统各结构参数对其临界转速的影响。
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