Subscribe to The us's premier dictionary and get 1000's additional definitions and State-of-the-art research—advert totally free! 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。 The first thing you detect walking near... https://letitiag791bba2.wikiusnews.com/user
