核電輻射遠低於坐飛機所受輻射？Plane ride more dangerous than nuclear plant discharge? April 20, 2012 discharge more dangerous nuclear plant Plane ride 坐飛機 所受 核電 輻射 + 遠低於 discharge more dangerous nuclear plant Plane ride 坐飛機 所受 核電 輻射 遠低於
人造輻射的背景水平應是零 The background level of MAN-MADE Radiation is ZERO April 20, 2012 background level MAN-MADE Radiation ZERO 人造輻射 背景水平 + 零 background level MAN-MADE Radiation ZERO 人造輻射 背景水平 零