A new method about measurement of the precursory infrasonic waves of strong earthquake was introduced.
介绍强地震前兆观测的一种新方法—次声波法。
Given a certain model of atmosphere, the position of resonant factor of infrasonic waves is figured out, by using the theory of full waves and some certain bound conditions.
对于波在一种给定的大气模式中传播，加上一定的边界条件，用全波解理论，求出了次声波共振因子的位置。
The Tunguska event included seismic waves and infrasonic disturbances that were recorded around the world.
通古斯爆炸包含了地震波和次声扰乱，被世界各地记录下来。
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