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......

We propose a new approach to construct an extended Wiener measure using nonstandard analysis by E. Nelson. For the new d......

By means of Delta-function & unit step function to express the force of solid particle on plane inertial shaker' s s......