Therefore, the study of high sensitive laser spectroscopy is an important component of molecular spectroscopy.

因此，高灵敏光谱技术的研究也是分子光谱研究的一个重要环节。

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This paper discusses the theory of gas infrared laser photoacoustic spectroscopy(GILPS). The deducing of the gas photoacoustic is based on the physical model of molecular motion theory.

本文对气体红外激光光声光谱的理论进行探讨，并以分子运动论的物理模型对气体光声信号进行推导。

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In this article the progress in laser spectroscopy of supersonic molecular beams is discussed.

本文评述超声分子束激光光谱学的进展。

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