"So we undoubtedly saw far more coordination from the action last night time than we had witnessed in past times, as to who was dong that coordinating I am not able to convey still." 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... https://creightond680zzc3.blog-a-story.com/profile
