Subscribe to America's largest dictionary and have 1000's additional definitions and State-of-the-art look for—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。 The first thing you observe going f... https://dong-khai27148.mdkblog.com/42505476/dong-khai-an-overview