Heat flow from a hotter to a cooler body is a process of energy transfer tending to equalize temperature.

热从高温物体流向低温物体是一个能量传递过程，它使温度趋于均匀。

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As a key aspect of material cycle and energy flow of lake ecosystem, decomposition of lake aquatic plants is one of the main process of maintaining the lake ecosystem functions.

水生植物腐烂分解作为湖泊生态系统物质循环以及能量流动的关键环节，是维持湖泊生态系统功能的主要过程之一。

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In oil and gas transportation, the closeness of process flow is very critical for the full utilization of energy and the reduction of oil and gas loss.

在油气集输过程中，流程的密闭与否是能量充分利用和降低油气损耗的关键环节。

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