The radio also has an extended range that provides access to low-band VHF.

该无线电系统还可扩展频率范围，提供低频段甚高频。

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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。

youdao

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。

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