“laser heterodyne spectroscopy”的概念、定义、翻译、参考文献-科学参考

单词	laser heterodyne spectroscopy
释义	laser heterodyne spectroscopy [`lā·zǝr ¦hed·ǝ·rǝ´dīn spek`träs·kǝ·pē] ^SPECTROSCOPY A high-resolution spectroscopic technique, used in astronomical and atmospheric observations, in which the signal to be measured is mixed with a laser signal in a solid-state diode, producing a difference-frequency signal in the radio-frequency range.
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