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。
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.
例如，葡萄糖氧化酶是葡萄糖变成过氧化氢的催化剂，在催化过程中包括一个完整氧原子的量子隧穿。
For example, the enzyme glucose oxidase, which catalyses the reaction of glucose into hydrogen peroxide, involves the quantum tunneling of an entire oxygen atom.
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。
When scientists apply a voltage to the finger, electrons can hop between it and the surface through a process called quantum tunneling.
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