本文给出了求解多段翼型位流准确解的一种方法。
A new method is presented to calculate the exact analytic solution of potential flow about multi - element airfoils.
对于扁锥壳的非线性动力自由振动方程，给出了准确解。
The precise solution of free vibration equation of flat conical shall is presented.
对复杂光学系统证明了光线矩阵元表达的衍射积分是旁轴波动方程的准确解。
It is proved in a complicated optical system that the diffraction integration in terms of ray matrix element is the right solution 'for paraxial equation.
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