一束激光脉冲可以改变电子的状态，使得其有了图中绿色显示的密度分布。
A laser pulse can modify the electron s state so that it has the density distribution shown in green.
一束激光脉冲可以改变电子的状态，使得其有了图中绿色显示的密度分布。
A laser pulse can modify the electron's state so that it has the density distribution shown in green.
科学家知道铁的电子旋转状态帮助治理披风的有形态例如声音穿过它的它的密度和速度。
Scientists know that the spin states of iron's electrons help govern physical properties of the mantle such as its density and the speed with which sound passes through it.
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