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shi yong shou ji de jin ji
Author(s): 
Pages: 52
Year: Issue:  7
Journal: The Magazine of Wu Dang

Abstract: <正>现在手机普及率很高,但要防止辐射受害:(一)在电梯或封闭环境里,往往信号较差,手机就会自动提高电磁波的发射功率,就易导致辐射强度增大,危害人体。
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