Some electrons, called free electrons, are free to move from atom to atom within a conductor .
半导体是否存在着自由电子，这取决于某些条件。
In order to establish desktop big explosive device, the researchers used acrylic and gold, laser will play in gold above, inspired called plasma of free electrons wave.
为了建立台式大爆炸装置，研究人员使用了丙烯酸和黄金，将激光打在黄金之上，激发出被称为等离子的自由电子波。
When the free electrons in a conductor move in one direction only. The current thus established is called a direct current, which is often abbreviated to DC.
当导体的自由电子只以一个方向运动时，这样产生的电流叫做直流电，常缩写为。
When the free electrons in a conductor move in one direction only. The current thus established is called a direct current, which is often abbreviated to DC.
当导体的自由电子只以一个方向运动时，这样产生的电流叫做直流电，常缩写为。
应用推荐