So, we could also plot the number of electrons that are ejected as a relationship to the intensity, so that was yet another experiment they could do.
我们还可以画出出射,电子数和光强的关系，这是他们做的。
Electrons are ejected from the object only when the frequency of the radiation is greater than a certain minimum value, called the threshold frequency.
仅当辐射频率大于某一最小值即极限频率时，物体才会发射出电子。
Electrons are ejected from the object only when the frequency of the radiation is greater than a certain minimum value, called the threshold frequency.
仅当辐射频率大于某一最小值即极限频率时，物体才会发射出电子。
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