Now, if you compute the curl of this guy, you will get zero, zero, two, two k.And so k is the axis of rotation, two is twice the angular velocity.

According to the results of finite element analysis, optimization design for the vacuum container, gets the optimum scheme of the container; Fatigue life analysis for the axis of rotation, gets the fatigue life and load sensitivity curve.

根据有限元分析结果，对真空箱体进行优化设计，得出箱体的最优设计方案；对转动轴进行疲劳寿命分析，得出转动轴的疲劳寿命以及其对载荷的敏感性曲线。

And if the axis of rotation doesn't coincide with the line through the two hot spots, if the neutron star rotates, you're going to see x-ray pulsations.

不合这两点之间的线，相一致，如果中子星旋转，你会看到x射线脉动，当热点在这里。

This paper analyses the effects on the critical speed of the axis of rotation from the gyroscopic action under the circumstance that an axle with a circular disc is in a high-speed operation.

本文分析具有圆盘的轴在高速运转的情况下，陀螺效应对其临界转速的影响。提出了计入陀螺效应时，计算临界转速的方法。

You have a spinning wheel, but that spinning wheel is mounted in such a way that you cannot put a torque on the axis of rotation of the spinning wheel.

你们有一个旋转的轮子，但是，它安装的方式使你无法，使力于旋转的轮子，转动的轴心上。

An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.

本文主要分析采用数字式测量时，标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。

Xuan Sefa a cone-shaped pieces of the hoist and around the center line perpendicular to the axis of rotation pipeline, completed the hoist valve action.

的启闭件呈锥形，并绕垂直于管道中心线的轴线旋转，完成阀门的启闭动作。

Biological axis of rotation technique is technical viable, with high treatment efficiency, low treatment cost and easy to be applied, making the treated produced waste water satisfy the criteria and be discharged.

生物转轴技术具有技术上先进可行，处理效率高，处理成本低，可操作性强等多种优势，可使采油废水达标排放。

When measured at the surface, the dominant structure of this field is called the dipole, which most of the time is roughly aligned with the earth's axis of rotation.

在地表进行测量时，这个磁场最显著的结构是偶极，多数时候与地球自转轴大致平行。

With turning, the alignment error of concave sphere center and axis of rotation makes optical path difference alter, so interference fringes will change from bright to hidden.

凹球面支撑轴旋转时，球心与旋转轴线的对准误差导致两反射光光程差变化，使干涉条纹移动。

A slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation.

随着地轴的转动昼夜平分线沿黄道平面向西缓慢移动的过程。

Taper support rib usually two or three cam roller contacts, in order to edge into the axis of rotation to be sent to the uniform output shaft.

锥度支撑肋通常与两个或三个凸轮滚子接触，以便入力轴的旋转可均匀地传送到出力轴。

More precisely curl v measures twice the angular velocity, or maybe I should say the angular velocity vector because it also includes the axis of rotation.

更精确地，curv，v值为角速度的2倍，或许我应该说，角速度向量，因为它带有旋转轴。

A spherical roller bearing contains two rows of barrel rollers, their axes are inclined to the axis of rotation of the bearing.

球面滚子轴承包含两行辊筒，他们倾向于轴的轴承旋转轴。

Because the core current is somewhat symmetrical around the axis of rotation, the associated magnetic field is similar to that of a bar magnet.

因为地核流在旋转轴周围存在着一些对称，所以相关的磁场与棒磁铁的磁场相似。

An approach of adding a axis of rotation to wire cut electric discharge digital control machine tool and how to use this new machine is discussed in this paper.

介绍了对数控线切割机床增加一个回转轴的改造方法，及如何利用新增加的回转轴来进行加工；

On the effect of centering error in the mounting of master ball upon the measurement of radial motion of an axis of rotation

回转轴径向误差运动测量中标准球安装偏心的影响

This paper presents a new method for an estimation of the axis of rotation based on line element geometry and kine-matic equation.

提出了一种基于线元几何与运动方程的旋转体点云数据特征分离与旋转轴提取算法。

The measurement concerning the radial motion of an axis of rotation is one of among the key items of measurement in mechanical engineering.

回转轴径向误差运动的测量是机械工程测量中的重要项目之一。

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。

Unbalance means the non-uniform distribution of the mass of a rotor about its axis of rotation.

不平衡是指转子相对于其旋转轴质量分布不均匀。