加热和充电的结合释放出电子， 电子通过真空管加速撞击到对面充满正电的电极上。

The combination of heat and charge releases electrons, which accelerate through the tube and strike a positively charged electrode at the other end.

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除了给大气加热，炭黑还能覆盖冰川表面，便其表面颜色变黑，从而加速冰川融化。

Beyond warming the atmosphere, black carbon can also speed the melting of glaciers by literally turning them black - soot on snow makes the ice heat up faster.

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19世纪90年代更加热，到了20世纪仍旧在持续变热---正如布勒克预测的那样，违背了自然降温循环的规律，气温在以持续加速的趋势上升。

The 1990s were even hotter, and the 2000s hotter still -- at an increasing rate despite a natural cooling cycle, just as Broecker predicted.

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