“laser differential absorption”的概念、定义、翻译、参考文献-科学参考

单词	laser differential absorption
释义	laser differential absorption Encyclopedia 理学激光光谱分析释 laser differential absorption激光差分吸收基于大气中的原子分子对激光选择吸收的机制而进行气体成分探测的技术。其以被测物质对某一光谱线的峰值吸收和峰谷吸收的差分原理为基础，具有高接收灵敏度和高光谱分辨率的性能。
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