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当今世界，宇宙空间存在着各种的电磁波，使得生存 在地球上的人类受到很大的威胁。不是吗？据说，移动通信工具的强磁波导致使用者生脑瘤的概率增大，人们不得不借助耳机、麦克风对话，搞得打手机的人又像精神病似的，满街旁若无人、自说自话。 据调查，长期坐在计算机屏幕前?
In today’s world, there are various kinds of electromagnetic waves in the universe that threaten human beings living on the earth. Is not it? It is said that the strong magnetic wave of the mobile communication device causes the user to increase the probability of having a brain tumor, and people have to make use of the headset and the microphone to talk to each other, and the person who makes the mobile phone is like a mentally ill person. According to the survey, long-term sitting in front of the computer screen?