微空心阴极放电；
本文介绍了微空心阴极放电的研究进展，分析了其光谱特性，最后讨论了它的应用前景。
In this paper, we introduce the development of research on MHCD, and discuss its spectra characteristics. Finally, the potential of its application is outlooked.
微空心阴极放电(MHCD)是在普通空心阴极放电的基础上提出的一种高气压下亚毫米级微放电技术。
Micro-hollow cathode discharge (MHCD) is a newly advanced micro-discharge technique based on ordinary cathode discharge in a sub-millimeter scale micro-hollow under high pressure.
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