The question raised by radio frequencies - microwaves or radio frequencies of the UHF or VHF band - was whether the electromagnetic could have a similar effect at very low levels.

• 无线电频率，微波，或者超高无线电频率（VHF)所带来的疑问是电磁环境在非常低能量的状态下是否也会引发类似的效果。