如果物体通过几何变换而被放置在世界坐标系中，比如通过平移和旋转，那么视图跟踪他在世界坐标系中位置变换的轨迹可能会是一个艰难的工作。
If the object is positioned in the world through geometric transformations, such as translations and rotations, then keeping track of its position in world coordinates can be a hard task.
采用迭代法求解该优化方程来逼近运动轨迹任意处伪活动标架的旋转变换矩阵。
An iteration method is presented to solve the optimization function for approximating the rotation transformation part of the pseudo moving frame at any position of the motion trajectory.
其次，本文在前期研究建立的空间曲线啮合方程基础上，结合空间坐标变换，推导出空间曲线啮合轮的啮合轨迹；
Secondly, the meshing path of the contact point of SCMW is deduced based on the meshing function of space curve and the space coordinate transformation.
据文件披露，在铀矿上空发现了两个个“火盘”，它们沿曲线轨迹滑翔，并多次变换位置。
Thee document reveals that two 'fiery discs' were seen over a uranium mine, and that the discs had 'glided curves and changed position many times'.
本文提出了采用和动态观察时双眼同轨迹、同方位的动态视点，用一系列变换的投影体系进行投影的“动态投影法”。
An dynamic projective method of series alternate projection system is studied in this paper. Using dynamic sight point of common locus and orientation with dynamic view.
将逆时间和空间傅立叶变换应用于估计频率-波数谱，从而产生该地震数据的轨迹内插。
An inverse temporal and spatial Fourier transform is applied to the estimated frequency-wavenumber spectrum, generating trace interpolation of the seismic data.
基于此函数的小波变换零交叉表示和匹配过程，得到了识别轴心轨迹的一种新方法。
Based on zero crossing representation of wavelet transform of this radial function and matching procedure, a new algorithm to identify orbits of shaft centerline is proposed.
将叶片模型变换到加工位置，算出五轴联动刀具轨迹。
The model of blade was changed to machining position, and the track of cutter for five-axis simultaneous machining was calculated.
沧海桑田物是人非如风流转如云变换恍如心之轨迹永无休止不知将会停驻何方…
The place changes and gose. like a wind, like clouds, like the traces of heart, no half at the places…
在阐述用直纹面拟合扭曲型面的基础上，用刚体变换的方法推算出阴极的控制轨迹。
Based on the description of fitting warped blade surface with ruled surface, the locus of cathode is induced by rigid body transfer in this paper.
基于坐标变换方法建立了适用于任意井眼轨迹的定向井套管应力三维有限元计算模型。
A 3d finite element model for calculating the casing stress in the directional Wells was developed based on the theory of coordinate conversion.
由该算法生成的换道轨迹符合四段式车道变换模型，并适用于复杂道路环境。
The lane changing trajectory generates by this algorithm meet the requirements of four-phase lane changing model and can applies to complex road environment.
据文件披露，在铀矿上空发现了两个“火盘”，它们沿曲线轨迹滑翔，并多次变换位置。
The document reveals that two 'fiery discs' were seen over a uranium mine, and that the discs had' glided curves and changed position many times'.
据文件披露，在铀矿上空发现了两个“火盘”，它们沿曲线轨迹滑翔，并多次变换位置。
The document reveals that two 'fiery discs' were seen over a uranium mine, and that the discs had' glided curves and changed position many times'.
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