研究表明，燃烧“喘息”现象是由燃烧压力周期波动引起的，说明炉膛内存在燃烧振荡。

The result shows that the "puffs" in the furnace are caused by the pressure oscillation, which indicates that there is combustion oscillation in the furnace.

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研究表明，燃烧“喘息”现象是由燃烧压力周期波动引起的，说明炉膛内存在燃烧振荡。

Study results indicate that puffing combustion is occasioned by periodical pressure oscillations, which demonstrates the existence of combustion oscillations in the furnace.

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