为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

This paper addresses the free transverse vibrations of thin simply supported nonhomogeneous isotropic rectangular plates......

The performance of adaptive beamforming techniques is limited by the nonhomogeneous clutter scenario. An augmented Krylo......

讨论了利用算子法求解常系数非齐次线性微分方程,相对于传统高等数学中惯用的待定系数法和工程中常用的Laplace变换法,该方法具有......