手机的功率和微波对用户头部的辐射程度是严格受到法令管制的。
The power of mobile phones-and the rate at which microwaves are absorbed by the heads of the users -is strictly limited by regulations.
手机的功率和微波对用户头部的辐射程度是严格受到法令管制的。
The power of mobile phones-and the rate at which microwaves are absorbed by the heads of the users -is strictly limited by regulations.
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