This paper does research on the three dimensional turbulent flow fields of compressible air with highly rotation, using methods of mathematical analyze and CFD simulation.
本文以涡流管内可压缩气体三维强旋转湍流流场为研究对象，采用数学分析和数值模拟方法对涡流管内流场结构进行研究。
Based on the correlation of tobacco primary-color signals, the optimization of tobacco signal threshold can be achieved by means of displacement, rotation, and two-dimensional fitting.
基于烟叶三基色信号存在的相关特性，采用二维相关拟合以及平移旋转方法，实现了烟叶信号的阈值优化。
A mechanical model of two-dimensional cellular materials with negative Poisson's ratio, composed of partly re-entrant and partly regular hexagons, was proposed based on rotation mechanism.
基于旋转机制，提出了一种具有负泊松比效应的、由部分内凹以及部分规则六边形组成的二维多胞材料力学模型；
In this paper a method of the three-dimensional object recognition with rotation-invariant based on moire fringe is proposed.
本文提出一种基于莫尔条纹的三维物体旋转不变识别方法。
Rotation at 360 degree that realize three-dimensional coating.
可360度旋转，实现无死角立体涂覆。
Three new aperture methods of speckle photography, one dimensional frequency modulated aperture method crossed aperture method and rotation aperture method are proposed.
本文提出了三种新的散斑照相孔径方法：一维调频孔径法，交叉孔径法和旋转孔径法。
Program of three-dimensional objects free rotation , and I hope to beginners certain references.
程序实现了对三维物体的自由旋转功能，希望对初学者起一定参考作用。
Finally, according to the shape of the front cover of the rotation, three-dimensional solid model by the impeller.
最后根据前盖板的形状进行旋转操作，得到叶轮的三维实体模型。
Results. For kinematic evaluation, the rotation of motion segment unit, coupling behaviors, and 3-dimensional helical axes of motion were analyzed.
结果：对运动学评价，分析了运动单元的旋转、耦合现象和三维运动螺旋轴。
Result: the three-dimensional image can show the position, range, shift and rotation of the fracture, exactly and angularly.
结果：螺旋CT三维影像能立休、精确、多方位地显示骨折的部位、范围、移位及旋转等情况。
For block systems with small strain, finite displacement and finite rotation, a 3-dimensional mode distinct element method (3mdem) was presented.
本文针对小应变、大位移和大转动的块体系统建立了三维模态变形体离散元数值模型(3mdem)。
The relationship between the harmonic component of the coupler curves and the harmonic component of the rotation-angle function and the dimensional type of spherical four-bar mechanism is discovered.
借助傅里叶级数理论建立球面四杆机构处于空间任意位置时连杆曲线的数学方程。
The stability of the, symmetric and asymmetric rotational discontinuities with electron sense of rotation is studied by means of a one dimensional hybrid particle simulation code.
用一维混合粒子编码研究了具有电子旋转方向的对称和非对称旋转间断的稳定性。
Aim a novel method for three-dimensional (3-d) object rotation-invariant recognition is proposed.
目的提出一种对三维物体进行旋转不变识别的新方法。
Aim a novel method for three-dimensional (3-d) object rotation-invariant recognition is proposed.
目的提出一种对三维物体进行旋转不变识别的新方法。
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