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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Band Aid have raised a great deal of money with their record but people are quick to forget.

救援组织筹集了大量资金，但是人们很快就把这饥馑的事放在脑后了。

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The out band spurious spectrum is limited by raised cosine filter in transmitter, and the shadow effect can be removed by combining the signal power of two branches in receiver.

阅读器的反射电路用升余弦滤波器抑制带外频谱，而接收电路可以用功率合成的方法消除的盲点效应。

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So why would Dom--a band made up of twentysomethings, all raised in the compact disc era--decide to hawk vinyl to a crowd young enough to be guests at Justin Bieber's birthday party?

FORBES: Magazine Article

The Land and Building Transactions Tax (Scotland) Bill, has raised the prospect of bringing in the "nil rate" band, and at least two other bands.

BBC: Ministers outline 'fair' property tax bill

There have been a few anecdotal concerns raised over the last several weeks that LightSquared's proposed LTE network -- which would repurpose L-band spectrum formerly used for satellite -- is too close to the spectrum used by the Global Positioning System, leading to unintentional jamming when the towers overpower the much weaker GPS signals.

ENGADGET: US Air Force raises concerns over LightSquared's LTE network messing with GPS