So, we must search for changes on Figure 1's left-hand side - the loss event frequency.
因此，我们必须在图1的左侧——造成损害的事件的发生频率——来找找是否有些什么变化。
3
ERP is another forensic technology about the variations of the electric potential related to the human 'sevent when the tested is lying, which is still in the stage of research in the laboratory.