Subscribe to The united states's largest dictionary and obtain countless numbers much more definitions and State-of-the-art search—advertisement free! indica­tive indica­tive pre­despatched 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。 电子文献载体... https://henryk653mru7.wikipublicist.com/user