One is via detonation, in which the flame front moves at supersonic speed and produces a powerful blast.

一种是通过爆炸，即火苗以超音速向前移动从而产生剧烈爆炸。

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Flame front closely follows Shockwaves at the same speed, and location of peak overpressure is coincident with flame front.

火焰面紧跟在激波前缘的后面，二者同速传播，超压峰值的位置与火焰面重合。

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Using high speed schlieren photographs the microstructure of flame front surface in gas explosion was studied from the microscopic view.

通过高速纹影图像从细观角度详细研究了不同传播条件下瓦斯爆炸火焰前锋的细微结构。

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Elsewhere, the brigade was continuing to deal with a one-mile flame front at Glenelg in the Lochalsh area on Wednesday evening, while a smaller fires was still burning near Castlebay on Barra.

BBC: Spate of Highland wildfires tackled

The paper successfully unveiled the Citizens for Fire Safety Institute, which had long advocated for flame retardants and posed as a nonprofit public interest group, as a front group funded by flame retardant manufacturers.

FORBES: California's Fire Code Update: The End of Toxic Flame Retardants?

He kept the subject of architecture on a front burner over a high flame, and if there was no excitement, he made it.

WSJ: Philip Johnson: Short of Attention Span, Long on Aesthetics