这意味着海洋表面会照射到更多的阳光——这是一个失控的进程，导致气候愈加变暖而云层覆盖愈稀薄。

This means more sunlight reaches the ocean surface - a runaway process that leads to more warming and less cloud cover.

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当光子照射到材料表面时，电子受到光子的激发由一个能级跳到更高的能级上，而这些能级对材料来说是特定的。

When a photon strikes the surface, it excites an electron to a higher energy level, which is specific to the material.

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然而，如果采用激光对物体表面进行照射，那么光线反射回来的方式能用来收集具有相同特征物体的信息。

However, if you shine a laser at the surface of an object, the way the light is reflected back can be used to gather information about the same features.

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So, for example, here we're showing rubidium and potassium and sodium plotted where we're plotting the frequency -- that's the frequency of that light that's coming into the metal versus the kinetic energy of the electron that's ejected from the surface of the metal.

让大家看来都是可以理解的事情,就是把不同金属的观测结果,画到一张图里面来，例如这里,我们展示的是钠，钾,铷的频率-这是照射金属的光的频率,和金属表面出射电子动能的关系。

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