The flow of heat into the ground by day and from the ground at night.

白天到达地面，晚上由地面发散的热量流量。

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Any cracks will alter the flow of heat, and these changes can be picked up with a heat-sensitive camera.

通过一台热敏感摄像机就能够捕捉到飞机上的裂痕，因为这些裂痕会改变热流的方向。

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Vehicles used to transport perishable food products should be well insulated to retard the flow of heat through their walls.

用于运送易腐食品的车辆一般都要有很好的隔热效果，从而减缓通过车身进行热传导。

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You couldn't just run something successfully in a cycle and get work out of it, using the heat from the hot reservoir, without also converting some of the heat that came in to heat that would flow into a cold reservoir.

如果一样东西在循环工作过程中,只有热从高温热源中流出，而没有热流入低温热源，那么此过程,不可能对外做功,不可能把所有热。

麻省理工公开课 - 热力学与动力学课程节选

Home insulation, often referred to as cavity insulation, is a cast iron money saver during the winter months because it regulates the flow of heat from a warm area to a cold one.

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Once the home has been duly sealed, the flow of air, moisture and heat in and out of it can be carefully controlled.

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Richard Hamilton of Columbia University had previously realised the usefulness of this heat-flow model but became unstuck when he found that, under this transformation, the object may stretch out to form singularities spikes that could not be easily manipulated into a sphere.

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