Subscribe to The usa's major dictionary and get countless numbers extra definitions and Superior research—advertisement 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 very first thing you recognize going fo... https://dongkhai83715.p2blogs.com/35254117/everything-about-dongkhai