Teaching experimental research on emphasizing key techniques combination of four rotation axis of discus throw;
突出铁饼四个“旋转轴”技术组合教学的实验研究
In the method,three formulae are given to calculate a rotation axis and a rotation angle according to the angles of the entity rot.
在三维图形处理软件中,用户习惯采用把实体分别绕三个坐标轴旋转以实现连续旋转的界面交互方法,这需要知道三个轴和三个角度,编程实现比较烦琐,为此,提出了一种新的解决方案,即根据实体绕三个坐标轴旋转的角度及先后顺序,依据提出的三个运算公式计算得到一个旋转轴和旋转角度,再根据该旋转轴和旋转角度对物体实施旋转。
D alembert s theorem is proved by using projective geometry theorem and the analytical expression is given for the rotation axis position and rotation angle across dual points.
给出移动变换定义,一般移动变换分解为先平移,求得二重点之后,再旋转,利用投影几何原理,对达兰倍尔定理予以证明,并给出过二重点的旋转轴方位和旋转角度的解析表达式,使得两个同向合同不重合的形体实现一次旋转重合,给出有关软件的程序框图。
By specifying a rotational center point,the rotational axis along with the related angle,an arbitrary plane could be setup for the NC machining.
如果在一个指定XY平面进行加工的程序,经过指定旋转中心、旋转轴方向和角位移进行三维坐标变换,则可在任意的一个理想平面上进行加工。
Extracting entire features,such as rotational axis and profile from archaeological fragment is helpful for rapid reconstruction of cultural relics.
从来自旋转体文物碎片中估计出旋转轴,轮廓线这些整体特征有助于快速修复文物。
A framework of computer aided cultural relics reconstruction system serve as the basis of the cultural relic reconstruction process was given, and some key technologies such as computing the rotational axis and the profile of rotational symmetric cultural relic were discussed.
探讨计算机辅助文物修复系统架构,并对常见的旋转体文物碎片修复涉及的旋转轴和轮廓线计算等关键技术进行讨论,主要是基于文物碎片的三维点云数据,采用二次曲面拟合方法计算法向量并以此为基础采用直线几何方法计算整个物体的旋转轴,使计算的旋转轴更精确;采用SDM方法快速、精确地计算文物碎片的轮廓线。
Based on the basic geometrical relationship between the normals of the sherd surface and the rotation axis of the object,the axis of rotation is estimated under the RANSAC paradigm.
根据陶器的制作工艺,把陶器表面表示成一个旋转曲面;用拟合平面法计算陶器碎片上三维数据点对应的法线,并用Plucker坐标表示;根据旋转曲面在各点的法线与旋转轴之间的几何约束关系,采用RANSAC方法估计旋转轴的自由参数。
To improve the performance and robustness, a new method for the estimation of the axis of rotation based on line element geometry, line complex and kinematic equation is presented.
为实现海量数据快速特征提取,提出了一种基于线元几何、线性丛的旋转面点云数据旋转轴提取算法。
This paper presents a new method for an estimation of the axis of rotation based on line element geometry and kine-matic equation.
提出了一种基于线元几何与运动方程的旋转体点云数据特征分离与旋转轴提取算法。
The remote measure technique has application in revolving spindle strain in heavy machinery industry;
遥测技术在重型机械旋转轴力能参数测试中的应用
This paper introduces the new design of seals for cam grinder's axial end or revolving spindle in dry gas containing particulate matter.
文章介绍了一种在干燥、含固体颗粒气体介质条件下旋转轴密封的新设计。
The rotational inertias of uniform rotational rigid surfaces about the around axis
均质旋转面绕旋转轴转动的转动惯量
Research on Bending Rotation Test of Rotation Shaft in Point the Bit Rotary Steerable System
指向式旋转导向系统旋转轴弯曲旋转试验研究
a chair that swivels on its base.
底座上有旋转轴的椅子。
Bar or rod joining parts of a machine or transmitting power in a machine
（机器的）连杆，传动轴，旋转轴
To cause to turn around or as if around a central axis;revolve or rotate.
旋转使盘旋，使仿佛绕着一中心轴旋转；旋转，回旋
The rotational angle of a ball around its rotational axis.
转轴角-----球旋转时转轴的水平角度。
The part of a vertical shaft that turns in a bearing.
轴踵轴承中能旋转的垂直的轴
An axis or shaft supporting a rotating part on a lathe.
柄轴，心轴支撑车床旋转部件的轴或杠
To turn around or as if around a central axis;revolve or rotate.
旋转围绕或仿佛围绕一中心轴而转动；盘旋，旋转
Create a Rotation Key on
创建Y轴的旋转关键帧
Create a Rotation Key on Z
创建Z轴的旋转关键帧
the revolution of the earth on its axis round the sun
地球以太阳为轴的旋转.
A wheel revolves round [on] its axis.
轮子是绕轴旋转的。
Delete a Rotation Key on
在Y轴删除旋转关键帧
Delete a Rotation Key on X
在X轴删除旋转关键帧
Delete a Rotation Key on Z
在Z轴删除旋转关键帧
Create a Rotation Key on X
创建X轴的旋转关键帧
the act of rotating as if on an axis.
象一个轴一样的旋转。
