日本Tohuku大学的研究人员TsuyoshiHondou的研究结果表明，如果火车车厢内２０％的乘客使用手机，则车厢内总的电磁辐射强度将超过国际公认的安全极限值。如果一节能容纳１５０名乘客的标准车厢中有３０人使用手机，辐射水平就会超过国际非电离辐射委员会推荐的极限值。他还说? A study by Tsuyoshi Hondou, a researcher at Tohuku University in Japan, shows that if 20% of passengers in a train compartment use a mobile phone, the total electromagnetic radiation intensity in the cabin will exceed the internationally accepted safety limit. If a standard 30-person compartment that holds 150 passengers uses a cell phone, the radiation level will exceed the recommended limits of the International Commission on Non-Ionizing Radiation. He also said?