The edge position, visible area and the mean of gray value of flame also be discussed by analyzing the flame images.
分析火焰数字图像，讨论了火焰锋面位置、火焰面积、平均灰度的计算方法。
Objects seem limned by an unseen flame, and exotic fragrances hover at the edge of awareness.
像是被看不见的火焰描绘，并有奇特的香气徘徊在可察觉的边缘。
Then the influence on flame structure of supersonic combustion of ratio of length and deep of cavity, obliquity of back edge of cavity and different schemes of fuel injection were studied.
用这种方法研究了不同凹腔长深比、凹腔后缘倾角和不同燃料喷注方案对超声速燃烧火焰结构的影响。
Combination use of the oblique Shockwave induced by the leading edge of the half height strut and hydrogen pilot flame can also ignite the kerosene and hold the combustion stably.
利用半高度后掠支板和氢气引导火焰相结合的点火方式，也可以实现煤油的可靠点火和稳定燃烧。
Adjustment of the combustion flame, the outer edge of the bottom of the pot so that it would not exceed, the best heating effect.
调整火苗的燃烧范围，使其不超过锅底外缘，取得最佳加热效果。
Adjustment of the combustion flame, the outer edge of the bottom of the pot so that it would not exceed, the best heating effect.
调整火苗的燃烧范围，使其不超过锅底外缘，取得最佳加热效果。
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