radial line

• 径线,辐射线

radial line的用法和样例：

例句

1. The influence of quantum interferences on the narrow spontaneous line decreases as the forbidden gap and the detuning of the upper levels from the edges of the gap increase.
   量子相干对自发辐射线的影响随着禁带宽度和上能级与带隙边缘距离增加而变小。