It is the mass of the electron.
它指电子的质量。
Number four, electron affinity.
数字4，电子亲和力。
就是电子转移。
我们有了电子。
Let us return to electron waves now.
现在我们再回到电子波上来。
So, the first again is the 1 s 1 electron.
所以首先又是1s电子。
Let's look at electron filling first of all.
让我们先来看看电子填充。
An electron is a small part of an atom.
电子是原子的一个小部分。
I just want to clarify that it is an electron.
我想澄清的是它是一个电子。
Let's imagine this is the electron in its orbit.
想象一下，电子在它的轨道中。
The electron is not moving at the speed of light.
电子不是以光速运动的。
Each electron bears a single negative charge.
每一个电子都带有一个负电荷。
It's got a very low average valence electron energy.
它的平均价电子能很低。
The spin of the electron was not established at that time.
电子自旋的概念在当时还没有建立起来。
An electron is the carrier of both "charge" and "spin".
电子是电荷的载体，同时又是自旋的载体。
An electron in the innermost orbit has the least energy.
最里面的轨道上的电子能量最低。
Let's look at the electron filling in lithium, one, two, three.
让我们看看锂里面的电子填充，一个，两个，三个。
The two basic formulas of electron quasi motion are given.
给出了电子准经典运动的两个基本关系式。
The electron gun can achieve energy scan of electron beam.
电子枪可以实现电子束能量扫描。
What is the binding energy of the ground state electron in hydrogen?
氢在基态的情况下，它的电子结合能是多少？
There is multi-electron reaction specificity in this reaction.
此电池体系具有多电子反应的特征。
Let's suppose that the electron at first is in the normal orbit.
让我们假设电子起初在基态轨道上。
A proton has positive charge and an electron has negative charge.
质子带正电荷，电子带负电荷。
Actually photoelectron density is the function of electron speed.
事实上光电子数密度是光电子速度的函数。
The electron source needs to be a metal, and the usual choice is aluminium.
电子源应该是一种金属材料，通常选用铝。
The result is that the electron shadow and the positron shadow are separated.
结果将使得电子的阴影和正电子的阴影被分开。
A single electron switch, on the other hand avoids these size constraints.
单电子开关可以突破尺寸限制。
A single electron switch, on the other hand avoids these size constraints.
单电子开关可以突破尺寸限制。
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