Another haunted and related natural phenomenon is known as frequency infrasonicsound waves.
另一种与闹鬼相关的自然现象是称作次声的低频声波。
2
According to the characteristics of infrasonicsound effect on human body, the principle of nonlethal infrasonic weapon for on site control is put forward.
根据次声对人体作用的特点,提出了现场可控非致命次声武器的概念。
3
The primary results show that the ultra low-frequency pulses may produce in the process of nucleation of micro-cracks and faults, and transmit to the air as infrasonicsound.