一个表面的反照率是入射的太阳能、阳光从这个表面反射回太空的百分比。

A surface's albedo is the percentage of incoming solar energy, sunlight, that's reflected off that surface back into space.

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为了使地球保持恒定的平均温度，来自地球的这种辐射必须平衡入射的太阳辐射。

For the Earth to maintain a constant average temperature, such emissions from the planet must balance incoming solar radiation.

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他入射的阿尔法粒子带有两个正电荷。

He shot alpha particles which have a charge of plus two.

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Our ionization energy is going to be equal to the incident energy coming in, minus the kinetic energy of the electron.

我们的电离能将等于,入射能量，减去电子的动能。

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And I am going to let this arrow somehow indicate the value of the incident energy.

我将用这个箭头,来揭示,入射能量的值。

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So, let's take a look at the different kinetic energies that would be observed in a spectrum for neon where we had this incident energy here.

那么，让我们来看一下,在已知入射能量的情况下,可以在氖光谱中观测到哪些不同的动能。

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