轴旋转

In order to demonstrate that it is possible to use two reverse rotating flywheels to simultaneously provide energy storage and attitude control in a single axis, a kind of integrated energy storage and attitude control system composed of bias momentum wheels was researched by theory analysis and simulation.

为了验证在同一轴上安装两个反向旋转飞轮能够同时完成能量存储与姿态控制问题，对一种由偏置动量轮构成的集成化单轴储能及姿态控制系统进行了理论分析及仿真研究。

In this paper, the flux oriented angle of stator flux oriented vector control is deduced by the voltage vector space angle of the direct torque control, and mathematical model is set up based on the direct and quadrature axis component of the stator current.

将直接转矩控制与定子磁链定向矢量控制相结合，利用DTC中电压矢量的空间位置角，推导出SFOVC中的磁链定向角，然后根据旋转坐标系中的d轴和q轴电流分量，建立定子磁链估计的数学模型。

An anti-rotation reciprocating drive apparatus for a reciprocating saw utilizes a wobble plate assembly that includes a drive shaft and an elongated arm with an interface structure for engaging a spindle.

一种利用摆板组件的往复锯的防旋转往复驱动装置，摆板组件包括驱动轴和带有为连接心轴的接触面结构的细长臂。

Since transmission input shaft and output shaft to the speed of their rotation, transform a stall when there is a "simultaneous".

由于变速器输入轴与输出轴以各自的速度旋转，变换档位时合存在一个&同步&问题。

Assumption of plane waves radiating from a point source leads to two rotational components: rocking around a horizontal axis perpendicular to the source-site direction and torsion around a vertical axis.

点源面波辐射假设产生了两个旋转分量：绕水平轴垂直于震源-场地方向的摇摆及绕垂直轴的扭转。

Because of special geometry structure of three-cone bit, the top of formation will form a tri-spine well bottom while drilling with three-cone bit the drill string. It is the tri-spine well bottom that leads to the axial harmonic of vibration when the bit revolves a round and the three concavo-convex heave of bit and formation result in one time (1×rpm),two time (2×rpm), three time (3×rpm) turning table speed.

高岩由于三牙轮钻头的特殊几何结构，钻进过程中在岩层顶部容易形成一个三脊状井底，正是这一三脊状井底，当钻头旋转一周时钻柱轴向三次凸凹变化，由此在轴向产生1倍、2倍和3倍及其更高次倍于转盘转速rpm的谐波振动。

Because of special geometry structure of three-cone bit, the top of formation will form a tri-spine well bottom while drilling with three-cone bit the drill string. It is the tri-spine well bottom that leads to the axial harmonic of vibration when the bit revolves a round and the three concavo-convex heave of bit and formation result in one time (1×rpm),two time (2×rpm), three time (3×rpm) turning table speed.

高岩摘要：由于三牙轮钻头的特殊几何结构，钻进过程中在岩层顶部容易形成一个三脊状井底，正是这一三脊状井底，当钻头旋转一周时钻柱轴向三次凸凹变化，由此在轴向产生1倍、2倍和3倍及其更高次倍于转盘转速rpm的谐波振动。

Because the torque is propagated along an axis that is PERPENDICULAR TO AND INTERSECTS with the steer axis, there are no forces generated that could rotate the fork for steering.

由于扭矩的宣扬沿轴是垂直相交，并与指导轴，没有任何力量可以产生旋转叉指导。

Bearing and shaft fastening methods are: the outer sleeve with eccentric spherical bearing, the eccentric sets Presentation at the bearing inner ring of the eccentric stage, along the axis of rotation direction of tightening eccentric sleeve, and then wrench tighten the screw Hexagon eccentric sleeve on the set screws can be.

轴承与轴的紧固方法是：对带偏心套的外球面轴承，将偏心套套在轴承内圈的偏心台上，沿轴的旋转方向拧紧偏心套，再用内六角螺钉扳手拧紧偏心套上的紧定螺钉即可。

A Rotary Arc Gap－switch in axial magnetic field is designed and built with high voltage, high current, large charge transfers, slight electrode erosion and long lifetime. The magnetic field, electric field distributions and move mechanism of the arc in axial magnetic field are studied.

为了满足高电压、大电流、高电荷转移量、电极烧蚀小、寿命长的要求，文中设计了一个由轴向磁场控制的旋转电弧间隙开关，研究了其电磁场分布及轴向磁场下电弧的运动机制，并进行了初步实验。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。