In this paper,the authors study the asymptotic stability of two wave equations coupled by velocities of anti-symmetric t......

根据相关性的原则，描述物理的法律的方程应该在所有可被考虑的原则有一样的表格，即，形式不变性是正确波浪方程的一个内在的性质。然而......

Ultrasonic detection technology is of great significance in the detection and evaluation of physical and mechanical prop......