该方法利用与光轴对称的径向畸变数学模型求出光学镜头的校正系数，对畸变图像进行校正。
The method USES the model of radial nonlinear distortion with the symmetry of optical axis to obtain correction coefficients of the optical lens, and then corrects the distortion image.
实验证明利用本文提出的计算式进行模具设计能有效地减小挤压非对称型材的弯扭畸变。
The experiments show that the formulas set up in this pa per can lower the deformation of non- symmetry extruded sections efficiently.
本文运用湍流快速畸变理论对各向异性条件对无切变边界层及轴对称应变湍流特性的影响进行了探讨。
In this paper rapid distortion theory is used to predict the effect of anisotropy on the structure of shear free boundary layer and axisymmetric straining turbulence.
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