查询词典 planetary motion

An analysis on camera critical motion is given and a conclusion is proposed which clarifies that the critical motion is decided by the ambiguities of the absolute quadric.

通过对相机的临界运动进行分析，指出了相机运动的关键性在于绝对二次曲面求解的模糊性这一结论。

Aiming at the landing gear movement of an aircraft, the velocity motion and accelerated motion model is established.

王希彬1，赵国荣1，姜海勋2，杨晓华3 1。海军航空工程学院控制工程系，山东烟台 264001；2。海军驻北京地区航空军事代表室，北京 100041；3。

In order to let Apparent Hurst exponent be greater than 1, an accelerated fractional Brownian motion is introduced based on the fractional Brownian motion. A new particle tracking technique is established to model the non-Fickian dispersion in coastal waters.

因此本研究在分数型布朗运动的基础上，引进加速分数型布朗运动来模拟non-Fickian扩散，使表面Hurst指数可以大于1，从而建立了一种新型的粒子追踪技术，由此来模拟沿海水域中的non-Fickian传播。

In the year of 1954 French scientist Maurice Allais found an unexplained phenomenon: in observing total solar eclipse, Allais found that a pendulum swing plane suddenly changed the direction of motion, that is, when the Earth, the sun and the moon are in a straight line, the law of motion in space will be changed.

在观测日全食时，阿莱发现一只摆的摆动平面突然改变了运动方向，即当地球与太阳、月球在同一条直线上时，会以某种方式改变摆在空间的运动规律。

When the optical fiber polishes, the motor leads the polishing disc to do revolving and swinging motion through vertical eccentric shaft by two synchronizations rotary motion with the ambulacrum.

光纤抛光时，电机经同步带带动两个同步旋转运动的立式偏心轴从而带动抛光盘作旋摆运动，光纤端面在外力的作用下紧压在抛光盘上，依靠光纤端面与贴在抛光盘上的固着磨料磨具之间的摩擦从而达到对光纤端面的抛光作用。

With the aid of the Laplace transformation, an analytical solution for the motion of the plane standing wave in the presence of free surface charge is obtained. Moreover, the motion of the cylindrical standing wave in the presence of free surface charge is solved using semi-analytical method.

通过变换的方法，求得了平面驻波漏电介质模型解析形式的初值解，并用半解析半数值的方法求解了柱面驻波漏电介质模型的初值解。

The mechanism is composed of two ball screws, U-type linear rails, linear bearings and flexible couplings. The permanent magnetic direct current motors are used as actuators. The rotary encoder is used to measure the angular position of the DC motor. The digital controller is implemented on the personal computer and a motion control card (EPCIO-6000). The objective of this thesis is to realize precise positioning control using a real-time motion control system on an X-Y table.

机械结构包括有滚珠导螺杆、U型线性滑轨组、线性轴承及可挠性连轴器等；致动器是采用永磁式直流马达(permanent magnetic direct current motor)；感测器是使用光学式旋转型编码器来量测马达旋转的角度；控制器则是以个人电脑为控制核心，搭配运动控制轴卡(EPCIO-6000)所组成。

The motion of the balance wheel of a watch is an example of angular harmonic motion.

钟表摆轮的运动就是角谐运动的一个实例。

Six motion parameters were tracked. Repeated measures statistical analysis was performed to evaluate angular and translational motion.

六种活动参数被记录，测试将多次重复以分析椎体的角位移和平移位移。

Based on the projectile-borne mechanism angular motion simulation device, a new testing method for the projectile-borne mechanism motion test is provided, which is based on the ARM embedded system.

研究弹道环境下弹载机构的运动规律是引信等弹载机构设计、研制、故障分析和性能评价的重要依据和基础'了。

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。