"So we absolutely saw far more coordination during the exercise very last evening than we had noticed in prior times, as to who was dong that coordinating I am not in a position to state nevertheless." 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，... https://dongkhai61493.blogdigy.com/the-best-side-of-dongkhai-55742413