New digital mobile phones produce less radiation, but that does not necessarily mean that they should be used without caution.
虽然新型数字手机产生的辐射较少，但这并非意味着使用时就可以无所顾忌。
New digital mobile phones produce less radiation, but that does not necessarily mean that they should be used without caution.
虽然新型数字手机产生的辐射较少，但这并非意味着使用时就可以无所顾忌。
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