The infrasonic weapon and the traditional arms is different .

次声武器与传统的枪炮不同。

When h-bomb blast produces the infrasonic wave traveling schedule may amount to several thousand kilometers , can circle earth several .

氢弹爆炸时产生的次声波行程可达数万千米，能绕地球好几圈。

The frequencies used in sonar systems vary from infrasonic to ultrasonic .

声纳所使用的频率从次声到超声不等。

Infrasonic observations of open ocean swells in the pacific : deciphering the song of the sea .

在太平洋里大洋涌（长浪）次声观测：译解海地歌曲。

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。