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。

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If you have an experiment and the outcome of the experiment is a number, then a random variable is the number that comes from the experiment.

如果你有一个试验,这个试验的结果是一个数,那么相对应的随机变量,指的就是这个试验结果所对应的那个数

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