“spectral natural broadening”的概念、定义、翻译、参考文献-科学参考

单词	spectral natural broadening
释义	spectral natural broadening Encyclopedia 工学谱线的自然加宽释 spectral natural broadening谱线的自然加宽在不受外界影响时，受激原子并非永远处于激发态，它们会自发地向低能态跃迁，因而受激原子在激发态上具有有限的寿命，这一因素造成了原子跃迁谱线的自然加宽。
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