汽车发生火灾后，车身面板受到火焰作用形成明显的燃烧痕迹。
After vehicle fire, burn patterns are formed obviously on body panels.
某民航班机在飞行途中座舱内发现冒烟及微弱闪光，地面检查发现P 6板后部有一电缆有燃烧痕迹。
A civil aviation flight smoked and sparked in cockpit during cruise. The following inspection on the ground showed that a piece of wire was burnt and broken on P6 panel.
当史蒂文森依据碳-14的痕迹追溯过去时，他发现碳-14的含量随着太阳燃烧的强度而变化。
When Stevenson followed the carbon-14 trail back in time, he found carbon-14 levels change with the intensity of solar burning.
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