Even if we were to measure a sharp decline in the electron density over Taiwan, with present-day technology, we wouldn't be able to tell whether the coming quake was going to be centered in Taipei, Pingtung, or Hualien.
依目前科技，即使觀測到台灣上空的電離層濃度明顯降低，也很難精準預測究竟是台北、屏東，還是花蓮會發生地震。