The exposure standard for wireless mobile phones employs a unit of measurement known as the Specific Absorption Rate, or SAR.
手机的辐射标准采用一个称为特定吸收率 （SAR）的度量单位。
The exposure standard for wireless mobile phones employs a unit of measurement known as the Specific Absorption Rate, or SAR.
手机的辐射标准采用一个称为特定吸收率 （SAR）的度量单位。
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