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来源:雅诚德英语网
There has been concern about possible health consequences from exposure to the RF fields produced by wireless technologies.
人们关注接触无线技术所产生射频场的可能健康后果。
There has been concern about possible health consequences from exposure to the RF fields produced by wireless technologies.
人们关注接触无线技术所产生射频场的可能健康后果。