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What people did is they said let's define a unit of energy that represents a unit charge accelerated across a unit potential difference, and let's call that the electron volt.
前人们所做的就是他们说让我们确定,一个能量单位用来代表一单位电荷,加速穿过形成的一单位电势差，我们叫它电子伏特。
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And what if I took a unit charge and I multiplied it times unit voltage, one volt?
如果我取个元负荷,让它乘上个电压单位，一伏特？
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If you multiply entry 23, which is 13.6 electron volts I will show you what the electron volt is in a few minutes. We will just put it up here prematurely. But that is given in your chart.
如果乘上第23个常量，代表13。6电子伏,接下来我就会向你们说明什么是电子伏,我们先提前把它提出来,但那只是放在你们的图表中。
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If I multiply these two, what is the coulomb times a volt?
如果我把这两个乘起来，库仑乘以伏特是多少？
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The electron volt is not a unit of potential difference.
电子伏特不是,就是一单位的电子伏特。
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What is the unit of potential difference? Volt.
势能差的单位是什么，伏特。
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That is one electron volt.
就是一单位的电子伏特。
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