The strength of RF fields is greatest at its source, and diminishes quickly with distance.
射频场的力量在射频源最强，并随距离而迅速减弱。
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。
Some individuals have reported that they experience non-specific symptoms upon exposure to RF fields emitted from base stations and other EMF devices.
有些人报告在接触基台及其它电磁场装置产生的射频场之后出现非特异性症状。
Cancer: Current scientific evidence indicates that exposure to RF fields, such as those emitted by mobile phones and their base stations, is unlikely to induce or promote cancers.
癌症：目前的科学证据表明，对射频场，诸如移动电话及其基台发射的射频场的接触不大可能引发或促发癌症。
Human and animal studies examining brain wave patterns, cognition and behaviour after exposure to RF fields, such as those generated by mobile phones, have not identified adverse effects.
对接触射频场(例如移动电话所产生的射频场)之后的脑波模式、认知和行为进行研究的人体和动物研究未确认不良影响。
But besides the many potential advantages of ultra-high field MRI, there are also some methodological challenges like the destructive interference of transmit RF fields within typical volume coil.
此类超高场强MRI带来了许多可预见的优势，然而技术上的难题也随之产生，例如在一些特殊的线圈中RF发射场会产生相消性干涉现象。
But besides the many potential advantages of ultra-high field MRI, there are also some methodological challenges like the destructive interference of transmit RF fields within typical volume coil.
此类超高场强MRI带来了许多可预见的优势，然而技术上的难题也随之产生，例如在一些特殊的线圈中RF发射场会产生相消性干涉现象。
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