“laser threshold gain”的概念、定义、翻译、参考文献-科学参考

单词	laser threshold gain
释义	laser threshold gain Encyclopedia 工学激光器的阈值增益释 laser threshold gain激光器的阈值增益阈值增益系数的物理意义是当某一频率（模式）光的小信号增益系数大于阈值增益系数时，便可起振而形成激光。
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