When scientists apply a voltage to the finger, electrons can hop between it and the surface through a process called quantum tunneling.
当科学家在探针上加一定电压时候，电子能够在它和样品表面之间跳跃，这个过程叫做量子隧穿。
Meanwhile the phenomenon of the macroscopic quantum tunneling is also a decay process of metastable state.
而宏观量子隧穿现象同时又是一个亚稳态的衰减过程。
Current flows through the device by the process of quantum tunneling: a small number of electrons manage to jump through the barrier even though they are forbidden to be in the insulator.
电子在元件中利用量子穿隧效应流动，少量的电子可穿过绝缘层的障碍到达另一边。
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