The Gaussian ray bundle is similar to Gaussian beam, except that it uses a simpler method to arrive at the width of the Gaussian.
高斯射线束方法相对于高斯波束方法的改进在于它使用了一个简单的经验公式来计算声束宽度。
The natural frequencies of beam are calculated with finite element method in the cases of different crack width and different crack depth.
本文利用有限元法分别计算在不同的裂纹深度、不同的裂纹开口宽度的情况下梁的固有频率。
The authors, using the finite element method, analyse the rules of continuous deep beam internal forces under the influence of the support plate width.
作者以有限元法分析了连续深梁的内力受支座垫板宽度影响的变化规律；
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