Now, of course, if your motion is not in a plane, then that plane will change.
当然，如果运动不是始终在一个平面上，平面是会改变的。
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。
The TLP plane motion, stability, redistribution of tether force and dynamical factor has been viewed, during the rupture of one leg.
观察了单腿破断时张力腿平台的平面运动、稳性、张力的重新分配和动力系数。
Fire up those 3-d SDL libraries, map the drawing surface onto a plane, and you can have full-motion video as an aspect of your 3-d world.
利用那些3dsdl库，可以将绘制表面映射到一个平面，并让运动视频成为3d环境中的一个面。
In the case of plane motion, the phase plane method can be used to analyse the motion qualitatively.
对于平面运动的特殊情形，可在相平面内进行定性分析。
An optical flow based approach was presented to estimate coronary arterys two-dimensional motion from a sequence of single-plane angiographic images.
采用光流法，由单面冠状动脉造影图像序列估计冠状动脉血管的二维运动。
In the paper the authors introduce the design methods of interactive software for analysis of motion and dynamics in plane linkage.
介绍了平面机构运动分析和力分析交互式软件的设计思想、设计功能与设计方法。
Kinematics and dynamics of mechanical systems including rigid bodies in plane motion.
机械系统的运动学与动力学包括刚体的平面移动。
Taking plane curve machining for example, the motion schemes of machine tools with two freedoms are presented.
以平面曲线加工为例，给出了所有两自由度机床的运动方案。
The covariant equation of plane motion body in curved space-time is studied.
研究弯曲时空中平面运动刚体的动力学协变方程。
In this paper, the author discusses some main questions in using relative motion graphic method to analyse the movement of plane mechanism, and tries to expound some laws in it.
本文就用相对运动图解法作平面机构运动分析中涉及到的主要问题加以讨论，并竭力阐明其中一些规律性的东西。
Introducing the dynamic simulation of ADAMS, Bringing forward a method of analyzing the plane mechanism motion using the technology of simulation.
简要介绍了ADAMS动态仿真功能，提出了应用仿真技术对平面机构进行运动分析的方法。
According to the dynamic equation of relative motion between the missile and the target, Lyapunov stability theory is used to design a new yaw plane guidance law for missiles.
根据导弹与目标之间的相对运动方程，应用李雅普·诺夫稳定性理论设计一种新的导弹航向平面导引律。
The symmetry algebras of 1 + 1 dimensional nonlinear evolution equation arising from the motion of plane curve in affine geometry are systematically studied.
系统地研究了来自于射影几何中平面曲线运动的1 + 1维非线性方程的对称代数。
In order to solve the problem of motion estimation for nonuniformity correction of infrared focal plane arrays, a new fast algorithm for image registration is presented.
为了解决红外焦平面非均匀算法中出现的运动估值问题，提出了一种新的快速图像配准算法。
The border panoramas are created by constraining viewpoint motion to arbitrary convex region of a plane, and sampling cylindrical panoramas at border of the region point by point.
边界全景图通过限定视点在平面上任意的凸区域内运动，并且在区域的边界上逐点采样柱面全景图而构成。
The formulas are derived for the conditions of concrete blocks absolute-stability and quasi-stability according to the equations of stiff-body motion on plane.
并由刚体平面运动方程，推导出混凝土护坡板的绝对稳定和准稳定条件关系式，以确定护坡板的尺寸。
Plane grinding, the workpiece can be installed in a reciprocating linear motion of the rectangular workbench, also can be installed in a circular motion of the round table.
平面磨削时，工件可安装在作往复直线运动的矩形工作台上，也可安装在作圆周运动的圆形工作台上。
The moments of momentum of plane motion rigid body in three different situations are analyzed and discussed and general form of equation of moment of momentum is obtained.
对三种情况下平面运动刚体的动量矩进行了分析和讨论，得到一般形式的动量矩方程。
With the help of complex number operation, the author has developed a method for designing the contour of a CAM whose follower keeps a general plane motion.
本文利用复数表示法，得出从动转子中心作平面一般运动情况下的凸轮廓线的设计方法。
A integrated equation set for solving plane parallel motion of rigid body was derived, and the conditions of system of forces simplified on the center of mass plane was discussed.
给出了解决刚体平面平行运动问题的一组完整方程，讨论了力系简化在质心平面内的条件。
In this paper, the herpolhode and polhode os a rolling ball on an inclined plane have been obtained and discussed by analysing the motion of this ball.
本文通过对斜面上滚动球体的分析，得出这种刚体运动的空间极迹和本体极迹，并对其图线进行了讨论。
The theorem of Projections of accelerations of plane motion of rigid body is derived in this paper. Some applications of this theorem are given as examples.
本文提出且推导了刚体平面运动的加速度投影定理，并介绍了该定理的应用。
On the basis of it, the method of establishing the mathematical model is also suitable for calculating the reliability of motion of plane multi bar linkages by changing the parameters of the model.
并在此基础上通过改变模型参数，使该建模方法同样适用于解决平面多杆机构的运动可靠性问题。
The turning plane motion equations are solved by means of iterations, and on-vehicle experiment was carried out in order to compare with theoretical results.
采用迭代法求解转向平面运动方程，计算结果与实车实验进行了对比。
In order to control the depth and the attitude of this kind of superspeed underwater vehicle, it is necessary to investigate the motion characteristics of the vehicle on a vertical plane.
为了对超高速水下航行器实施深度和姿态控制，研究其纵平面运动特性是必要的。
This method can be used to calculate the degradation of image quality as a result of any kind of image motion in the image plane, and easily used in the case of one dimensional motion.
该方法可以计算任何形式的图像运动导致的成像质量的下降，而且可以很方便地应用到一维运动的情况。
This paper presents some equations of adjoint motion for spacecrafts moving in elliptic orbit of different plane.
本文给出在非共面椭圆轨道上运行的航天器的伴随运动方程。
This paper presents some equations of adjoint motion for spacecrafts moving in elliptic orbit of different plane.
本文给出在非共面椭圆轨道上运行的航天器的伴随运动方程。
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