Aesthetics are nice, but they can't pay the electricity bill when a skylight lets in too much light and heat, causing the air conditioner to work overtime. Or can they?

美观固然是好，但是它不会为你支付因为太阳光的引入太多光和热，而造成的空调超时工作的电费。

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And so maybe the work generated the heat.

因此或许功产生了热。

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And the idea was that gravity did work on the water and falling, and that work led to the generation of heat.

焦耳的想法是，重力对水，做了功。

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The causes of heat stress include wearing heavy clothing, physical work or exercise, hot weather and high humidity.

VOA: special.2011.08.09

And the idea was that gravity did work on the water and falling, and that work led to the generation of heat.

焦耳的想法是,重力对水，做了功。

麻省理工公开课 - 热力学与动力学课程节选

And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.

在实际中，我们定义,效率为热与功的比值。

麻省理工公开课 - 热力学与动力学课程节选

The discovery surveys done under the RCAHMW flying programme in extreme weather conditions - they carry out the work in the heat of summer too - mean "sometimes the story of Wales gets flipped on its head, " said Dr Driver.

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The clever bit was that the receiving nanoparticles, which carried the pharmaceutical payload, were doped with protein fragments that bind to fibrin and thus to the wound-stanching quilts that form when the heat from the gold nanorods does its work.

ECONOMIST: Monitor

The thermoacoustic Stirling heat engines developed by the LANL scientists work by creating intense acoustic energy that can be used directly in acoustically powered refrigerators or to generate electricity.

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