初步解释了强震前兆次声波的产生机理和传播机制。
The generating and propagating mechanism of the precursory infrasound of earthquake are primarily explained.
根据BNRT不同工作状态下的内部电势、电子浓度和空穴浓度分布，解释了其S型负阻特性的产生机理。
According to the distribution of potential, electron and hole in the BNRT at different stages, the mechanism inducing S-type negative resistance characteristics is explained.
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