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单词
spontaneous radiation
释义
spontaneous radiation
Encyclopedia
工学
自发辐射
释
spontaneous radiation
自发辐射
考虑原子（分子、离子）的两个能级，其高、低能级的能量差，处于高能级的一个原子自发地向低能级跃迁，并发射一个能量为的光子，这种过程称为自发跃迁，由原子自发跃迁发出的光波称为自发辐射。
Physics
光学、声学
光学
spontaneous radiation
自发辐射
＞理论物理学＞量子力学＞释义
spontaneous emission
自发辐射
spontaneous radiation
自发辐射
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