This paper describes in detail how to adjust spectrometer so as to keep a strict vertical between optic axis and rotation axis of telescope.
本文详细描述如何调节分光计以使望远镜光轴与其旋转轴严格垂直。
In the perpendicular direction to the rotation axis of the petal, the repeat position error is most sensitive to the position error of the locking force.
在对接面内与旁瓣转轴方向相垂直的方向上，重复定位误差对锁紧力位置误差最为敏感。
Precession, basically is the change in the direction of earth's axis of rotation.
岁差，基本上是地球自转轴方向的改变。
The scientists were also shocked by data showing that Uranus' magnetic north and south poles were not closely aligned with the north-south axis of the planet's rotation.
领科学家震惊的是数据显示天王星的磁场南北极与行星的旋转南北轴线极不一致。
What is the moment of inertia for rotation of a rod about this axis?
关于这个轴的,旋转动动量是多少？
And we pass both high tides during each twenty-four-hour rotation of the earth on its axis.
地球自转24小时期间，我们就会经历两次的涨潮。
Since Earth’s rotation rate varies, so would the value of one second when it’s defined as a fraction of the time it takes for one spin of the Earth on its axis.
由于地球自转速率发生偏离，因此当把地球绕中轴旋转一圈作为一个单位时，（这种偏离）就相当于一秒钟时间。
The Earth's axis of rotation is tilted in relation to the ecliptic plane, an imaginary surface through Earth's orbit around the sun.
地球的自转轴与黄道面呈一定角度。黄道面是地球公转轨道所在的一个假想平面。
For the moment of inertia, we want the square of a distance to the axis of rotation.
至于转动惯量，要求的其实是到旋转轴距离的平方。
Of course, with the camera fixed to a tripod, the stars themselves produce concentric trails in long exposures, a reflection of the Earth's rotation around its axis.
当然用装在三角架上的照相机固定摄影，长时间曝光能拍到星星因地球自转而形成的同心圆轨迹。
Rationally define the work gear pump speed, gear and the axis of rotation to avoid engaging resonance frequency, can prevent noise intensified.
合理确定齿轮泵的工作转速，使齿轮与轴的转动避开啮合共振频率，可以防止噪声加剧。
For rotation of the workpiece around the horizontal axis.
对于周围的水平轴转动工件。
Concretely, this curl gives you the angular velocity of the rotation, well, with a factor two but that doesn't matter, and the axis of rotation, the direction of the axis of rotation.
它给出了这个旋转的角速率，有一个因子2，但没关系，给出了旋转轴，和旋转轴的方向。
A gyro measures rate of rotation around a particular axis.
陀螺仪测量机体围绕某个轴向的旋转角速率值。
The axis of rotation and its support are part of the central pedestal.
旋转轴和它的支撑结构是中央操作台的一部分。
If a gyro is used to measure the rate of rotation around the aircraft roll axis, it will measure a non-zero value as long as the aircraft is rolling, but measure zero if the roll stops.
使用陀螺仪测量飞机机体轴向的旋转角速率时，如果飞机在旋转，测得的值为非零值，飞机不旋转时，测量的值为零。
A complete rotation of the body around its vertical axis, as in diving and gymnastics.
身体绕垂直轴心完整地绕一圈，如在跳水或体操中。
Axial rotation of the lumbar vertebrae occurs around a longitudinal axis that passes through the posterior third of the vertebral bodies and intervertebral discs.
腰椎以一个穿越椎体和椎间盘后三分之一的纵轴为轴进行旋转。
Centrifugal force: the component of apparent force on a body in curvilinear motion as observed from that body that is directed away from the center of curvature or axis of rotation.
离心力：在曲线运动中可明显由物体上观察到的力的组成部分，这种力使物体具有远离曲线中心或旋转轴心的趋向。
In the gas evolution step, with the axis rotation, the flux through each side of the triangular element is obtained.
在第②步中，采用旋转坐标轴的方法来计算非结构网格单元各边的通量。
If a torque is applied to the disk in such a fashion that the axis of the torque is the same as that of rotation of the disk, the direction of the former will be parallel to AB.
如果力矩是这样地作用于一圆盘上，即力矩的轴与圆盘的旋转轴方向一致，则力矩的方向与ab线平行。
The second phase, starting 120 milliseconds before impact, was the rapid rotation of the bat about a vertical axis into the hitting area.
第二个阶段则是球棒沿垂直轴朝击球区快速转动，该活动起始于球与棒相撞的前120毫秒。
These tests are performed with the axis of rotation passing through the CG to minimise measurement errors.
这些试验都需要轴转动通过重心，以最大程度地减小测量误差。
Firstly, the Gauss map of points on the cylinder and a random sampling method are used to compute the rotation axis equation of the simple articulator.
首先通过构造圆柱面上点的高斯图和任意采样的方法，计算出简单牙合架转动轴线方程。
Parallel axis theorem and Knig theorem are deduced from the two laws of rotation.
由两个转动定律导出了平行轴定理和柯尼希定理。
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。
In this thesis, the axis rotation symmetry of third-order nonlinear elasticity was researched with the help of group theoretical methods.
本文用群论的方法研究了三阶非线性弹性的轴转动对称性。
In this thesis, the axis rotation symmetry of third-order nonlinear elasticity was researched with the help of group theoretical methods.
本文用群论的方法研究了三阶非线性弹性的轴转动对称性。
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