单词 | internal energy |
释义 | internal energy【化】 内能; 内部能量 internal energy internal energy n.Symbol U (名词)符号 U The total kinetic and potential energy associated with the motions and relative positions of the molecules of an object, excluding the kinetic or potential energy of the object as a whole. An increase in internal energy results in a rise in temperature or a change in phase.内能:与物体分子运动或相对位置有关的全部能量和势能,不包括作为一个整体的运动能量和势能。内能的增加会导致温度的升高或位相的变化 |
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