The laser-arc hybrid welding can improve the depth of fusion, welding speed and assembly gap, so it is a new and promising thermal source for welding.

激光-电弧复合热源焊接可以增大焊接熔深，提高焊接速度，增大装配间隙，是一种很有前途的新型焊接热源。

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The human body is a natural thermal source.

人体是一个天然的热源。

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The prospecting orientation is revealing the deep-seated ore bearing thermal source. Key ore prospecting target is Feihaiqiao and Taohuajian.

今后的找矿方向是揭示深部含矿热源体，重点找矿靶区是费海桥和桃花尖。

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After all, it seems pretty logical that they should be enhanced by global warming, as the thermal source that they convert to destructive kinetic energy is the heat of the ocean, which should go up with the surface temperature.

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