Subscribe to America's premier dictionary and have thousands far more definitions and Highly developed lookup—advertisement no cost! indicative indicative present indef. donghatok donghatsz donghat donghatunk donghattok donghatnak 如下图所示:受敲击的鼓面振幅沿半径方向的分布就是一个贝塞尔函数(考虑正负号)。实际上,这些振动是各阶贝塞尔函数的叠加。 tại Hỗn Loạn Tử Vực đợi một trăm năm... https://campbellt357tuu0.wikicommunication.com/user