室内和室外运动都能使眼睛集中在更远处的物体上,从而防止眼睛改变形状。
Indoor and outdoor sports activities both make the eyes focus on more distant objects, which prevents the eyes from changing shape.
一些物体,比如一些旧的太空火箭或卫星碎片,在地球上以非常高的速度运动,速度如此之快,以至于一个非常小的碎片都能破坏重要的卫星或对宇航员造成危险。
Objects, like bits of old space rockets or satellites, move around the planet at very high speeds, so fast that even a very small piece can break important satellites or become dangerous to astronauts.
在写实风格的物体上用许多挤压和拉伸做很卡通的运动也许看起来不可信,在一个漫画风格的物体上做写实般的运动也是这样。
Animating very cartoony motion with lots of squash and stretch on a realistic looking object may not look believable, as would realistic motion on a caricatured object.
就线性运动而论,如果作用于严格物体上的诸力的矢量之和是零,那么这个物体就处于平衡。
In so far as linear motion is concerned, a body is in equilibrium if the vector sum of the.
就线性运动而论,如果作用于严格物体上的诸力的矢量之和是零,那么这个物体就处于平衡状态。
In so far as linear motion is concerned, a body is in equilibrium if the vector sum of the forces acting upon it is zero.
在物体上作用另一个力,可以改变物体的运动方向。
The direction of motion can be changed by the action of another force on a body.
作用在任意运动物体(系)上的力和力矩可以分别表示成流场中动力学涡量的一阶矩和二阶矩随时间的变化率。
The force and moment exerted on the solid body are expressed as the rate of change of the first-and second-order kinetic vorticity moments, respectively.
在运动中手指触到地板上或举起一个物体的时候,绝不可使双膝僵直。
It is not allowed that both knees are tetanic when fingers touch floor or lift an object during exercising.
建立四自由度视觉装置运动模型,导出从目标物体上的任一点到计算机图像中对应点的变换算法。
We establish four degree of freedom vision device movement model to educe the switch calculation from any dot on the object to the corresponding dot in the computer image.
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。
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.
在飞机或宇宙飞行器上拍下来的照片,用照相机拍摄高速运动物体的照片,以及战场上飞行中的导弹均可能存在这种现象。
The pictures come from the plane or the spacecraft, the high-speed object and the flying missiles in the battlefield with the camera, they may exist this phenomenon.
第三,在模拟物理世界中弹性物体运动的基础上,借鉴模拟退火法的思想,得出了二个启发式方法。
Thirdly, based on simulating the elastic objects movement, two heuristic algorithms are presented by using the idea of the simulated annealing algorithm.
自由运动物体被装上CCD相机用以摄取壁板上的图案,并通过无线电将信号传输到屋内固定的计算机上。
Three CCD cameras or at least one mounted on the object are used to take the images from the wall patterns, which are transferred to the computer via radio.
在气垫导轨上研究了变质量物体在变力作用下的运动规律。
The motion of variable mass system under variable force is studied using air track.
因此,现实中发热的物体,例如火,使潜在能发热的物体木材实际上发热,从而使它运动和变化。
Thus that which is actually hot, as fire, makes wood, which is potentially hot, to be actually hot, and thereby moves and changes it.
像猎犬那样嗅觉灵敏的狗狗,在视觉上的兴趣不会很大;但是像梗犬那样的牧羊犬,就更容易受到电视上运动物体的刺激。
Hounds, which are driven by smell, aren't as interested in visuals, but herding breeds, such as terriers, may be more stimulated by moving objects they see on the small screen.
科里奥利效应:科里奥利力作用下的明显结果,尤指地球上运动着的物体在北半球向右偏移,在南半球向左偏移。
The observed effect of the Coriolis force, especially the deflection of an object moving above the earth, rightward in the northern hemisphere and leftward in the southern hemisphere.
首先把图像序列中相对静止的部分提取出来作为背景,利用差分图像对道路上的运动物体进行分割,并在此基础上实现对每条车道上的车辆的跟踪。
Firstly the relatively static proportion of the video was extracted and the moving objects were segmented using differencing image algorithm. Then vehicles were tracked in divided road lanes.
这种传感器这部分的功能是感受到物体的运动并且传送信号到89s52芯片上。
This kind of sensor this part of the function is to feel the movement of objects and transmit to 89s52 chip.
多个运动物体在屏幕上的协调显示,它们可以随机地改变运动的方向、速度和姿态。
Multiple motive objects are displayed harmoniously on the screen. They can randomly change their motive direction, velocity and attitude.
运动员的目的将收集任意地被放置在水平上的物体,而且他们收集愈较多的,他们的蛇生长愈比较长的。
The player's purpose is to collect objects randomly placed on the level, and the more they collect, the longer their snake grows.
在此基础上系统作了物体的动态识别和跟踪实验,能对画面中随机出现的运动物体进行识别和对其运动轨迹进行跟踪。
On the basis, the experiment of dynamic identification and tracking of moving objects is done, and the system can recognize the moving objects which appear randomly and record its movement path.
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方向。
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.
仿生跳跃机器人的研究能够从生物体灵巧的运动机构和机敏的运动模式上获取灵感,使跳跃机器人的性能得到提升。
The research of the bionic robot can be inspired from the ingenious mechanism and skillful movement of animals, which will improve the hopping performance of the robot.
通过肩膀上肌肉的运动,她很快就能随意开合她的“手”,来捡起并握住物体,穿衣服和吃饭。
By moving her shoulder muscles she was soon able to open and close the hooks to pick up and hold objects, and dress and feed herself.
理解物体运动的差异和相互联系。能够理解和物体运动相关的各种术语在数学上和概念上的联系。
Understand the differences and relationships between objects in motion. Be able to comprehend the mathematical and ideological connection between the different nomenclature used for bodies in motion.
因此大体上,增大圆盘片和轨道运动的观察只指示有某个质量紧凑的物体,而且有关那个物体的性质说得非常少。
Hence, for the most part, observations of accretion disks and orbital motions merely indicate that there is a compact object of a certain mass, and says very little about the nature of that object.
因此大体上,增大圆盘片和轨道运动的观察只指示有某个质量紧凑的物体,而且有关那个物体的性质说得非常少。
Hence, for the most part, observations of accretion disks and orbital motions merely indicate that there is a compact object of a certain mass, and says very little about the nature of that object.
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