Macufacturers provide that cell phones meet government standards for safe radio-frequency radiation omission.

制造商提供的手机符合政府安全的射频辐射遗漏标准。

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Manufacturers provide cell phones that meet government standards for safe radio-frequency radiation omission.

制造商提供的手机符合政府安全的射频辐射遗漏标准。

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The establishment of Hall thruster experiment system to measure high-frequency radiation.

建立霍尔推力器内高频辐射实验测量系统。

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The Australian research focused on the thermal effects or specific absorption rate (SAR) of radio frequency radiation - a measure of its actual effects on brain tissue, whereas the earlier study simply looked at electromagnetic radiation levels.

BBC: Hands-free mobiles given safety boost

The result is far less low-frequency radiation.

ECONOMIST: Monitor

Interestingly, the movement includes many who still believe that the lower frequency radiation from power lines and electric appliances and motors also poses a cancer threat, in spite of the fact that 30 years of research has shown no effects.

FORBES: Do Cell Phones Cause Brain Cancer? The Diehards Cling Desperately To Opinion