In transforming from acoustic folkie to electrified rocker, a process begun in earnest on side one of 1965's Bring It All Back Home, Dylan rewrote the rulebook for pop music.
This paper deals with varying laws of the acoustic and the dynamical mechanical parameters in the process of rock failure under loading.
本文研究了岩石在单轴和真三轴加载的破坏过程与声波参数及动力学参数之间的关系。
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Active noise control (ANC) is a new high technology integrated with acoustic, adaptive control and digital signal process and it has become the research focus center of noise control.