This spinning motion, at speeds of hundreds of kilometers per second, may cause matter in the disk to take on a spiral shape.
这种以每秒数百公里的速度旋转的运动，可能会使圆盘上的物质呈现出螺旋形状。
So, what Kepler's second law says is that the motion of planets is, first of all, they move in a plane.
开普勒第二定律说到，首先每个行星的运动都保持在同一平面内。
Readers could pore over academic papers about the physical properties of buckyballs, but a 16-second animation describes their motion more easily and arguably more thoroughly.
读者们可能在一些学术论文上读到过关于布基球物理特性的描绘，但都不及这16秒的动画来得轻松、真实和彻底。
Turns out, some of these equations were very familiar: the law of conservation of momentum, and Newton's second law of motion.
其结果，其中一些方程非常眼熟，比如动量守恒定律和牛顿第二定律。
For video, that needs to happen at least 25 times a second if the eye is to be fooled into seeing continuous motion.
对视频而言，如果你想看到连续的画面，那刷新率至少每秒要进行25次。
That would that would give rise to a perpetual motion machine, breaking of the second law. It can't happen.
否则就会使，得永动机出现，打破第二定律那是不可能的。
the motion of the first billiard ball cannot be the real cause of the motion of the second one.
第一个台球的运动,并不是第二个运动的真正原因。
The motion of pushing the shutter often blurs the first frame but the second and third frames are much sharper.
按下快门往往会让第一张照片不够清晰，但是第二第三张就会好很多，要么就是其中一张幸运地是在没有抖动的情况下拍摄的。 拍摄移动的物体时，连拍能让你有机会拍出清晰的照片。
And the windows on the second floor, which often access the master bedroom—and your jewelry. It’s not a bad idea to put motion detectors up there too.
当然二楼的窗子也非常重要——因为一旦失守，就意味着你的卧室和珠宝要沦陷，所以在那儿安装一个警报器是个绝好的主意。
I sprint through beetle mania into the longhallway that bisects the second floor, down the west staircase to the first floor, grateful to be in the pre-motion-detector era.
我一路快跑冲过狂热的甲虫，经过一条长廊通向二楼，我在往西面的楼梯下去，来到一楼，我感到心情愉快，好像处在早期动作侦探时代一样。
This spinning motion, at speeds of hundreds of kilometers per second, may cause matter in the disk to take on a distinctive spiral shape like a cosmic pinwheel.
每秒几百公里的旋转速度可能使圆盘里的物质呈现象宇宙玩具风车一样独特的螺旋形。
It follows from the principle of relativity that Newton's second law of motion, although fundamental in classical mechanics, only has an approximate and by no means complete validity.
由相对论原理可知，牛顿运动第二定律尽管是古典力学中的基本原理，但只是近似的，而绝不是完全正确的。
It follows from the principle of relativity that Newton's second law of motion although fundamental in classical mechanics only has an approximate and by no means complete validity.
由相对论原理可知，牛顿运动第二定律尽管是古典力学中的基本原理，但只是近似的，而决不是完全正确的。
On this second approach the F-8 pilot was observed to have his oxygen mask removed and was seen gesturing to the crew with hand signals in a pushing motion.
在其第二次接近时，歼8飞行员被看到摘下氧气面具，并被看到正在向机组人员作一个向前推进的手势信号。
Howard: It sounds like a good idea. I second the motion.
霍华德：这个点子听起来不赖。我附议。
Second, in order to extract motion data of each facial part from a video stream, this dissertation studies multiple facial feature tracking algorithms.
为了从视频流中提取基于人脸面部特征的运动数据，本文研究了人脸多特征跟踪算法。
The second stoke causes an upward motion of the piston.
第二个冲程使得活塞向上运动。
It is a remarkable feature of the theory of mechanics that all motion can be described without reference to derivatives higher than the second.
力学理论有一个显著的特点，它可以描述所有的运动而不需涉及二阶以上的导数。
Increment motion control system refers to microsecond even nanosecond electronic apparatus switch transient process, millisecond digital controller adjust process and second motor transition process.
增量运动控制系统涉及微秒级甚至纳秒级的电力电子器件的开关暂态过程、毫秒级的数字控制器调节过程和秒级的电动机机电过渡过程。
The motion of individual particles is obtained by solving Newtons second law of motion and gas flow by the Navier Stokes equation based on the concept of local average.
颗粒的运动满足牛顿第二定律，流体相的运动规律由局部平均的纳维斯托克斯方程求解，两相间的耦合由牛顿第三定律决定。
In the third chapter, we consider the equations governing the motion of second grade fluid and averaged equations.
第三章研究二阶流体运动的控制方程和平均欧拉方程。
Gait recognition, the second biometrics identification technology based on motion vision, is used to signify the identity of individuals in image sequences 'by the way they walk '.
步态识别，非接触式远距离的身份识别研究——基于运动视觉的第二代生物特征识别技术，是根据拍摄的行走视频，通过人体走路的方式辨别人体身份。
On the basis of Newton's second Law, a motion differential equation has been put forward, by which a formula to calculating instantaneous velocity has been obtained.
依据牛顿第二定律列出运动微分方程序，解方程序并求得计算瞬时速度的公式。
Gears operate in pairs, the teeth of one engaging the teeth of a second, to transmit and modify rotary motion and torque.
齿轮成对运转，无滑动地传递并改变旋转运动和转矩，一个齿轮的齿与配对齿轮的齿啮合。
Second, Page sets in motion a positive domino effect of talent moves by promoting Pichai, a capable and potentially woo-able executive.
其次，通过提拔皮查伊这位既有能力又有可能备受支持的高管，佩奇在人才层面制造了一次积极的多米诺效应。
Second, Page sets in motion a positive domino effect of talent moves by promoting Pichai, a capable and potentially woo-able executive.
其次，通过提拔皮查伊这位既有能力又有可能备受支持的高管，佩奇在人才层面制造了一次积极的多米诺效应。
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