该系统还能相当有效的定位土下的无焰燃烧--也就是森林大火被认为已被扑灭而产生的问题。

The system is also quite effective for locating fires that are smoldering beneath the top layer of earth -- a problem that occurs with wildfires thought to have been snuffed out.

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一种美国水生植物，叶肾形或圆心形，佛焰苞具有短的柄或无柄；通常扎根在池塘和水沟的底部淤泥中。

American plant with roundish heart-shaped or kidney-shaped leaves; usually rooted in muddy bottoms of ponds and ditches.

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提出了一种新结构转子的无焰加热器模型，并对其进行了静磁场分析。

Then the paper presents a heater model with new rotor structure, and its static magnetic field analysis is given.

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