这些能量表现为碎片的动能，当碎片与物质碰撞时，碎片的动能转化为热能，碎片的运动就慢了下来。

The energy appears as kinetic energy of the fragments, which converts to thermal energy as the fragments collide in matter and slow down.

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快速生长鸡表现出较高的蛋白质表观代谢率，慢速生长鸡表现山较高的粗脂肪表观代谢率和能量表观代谢率。

The fast growth chicks showed higher apparent crude protein metabolic rate and lower crude fat and apparent energy metabolic rate.

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And the first law says, well heat and work are different forms of energy, and we can add them, and the path dependence of these two things is somehow cancelled in the fact that we have this internal energy.

热力学第一定律说，热和功是能量的不同表现形式，我们可以把它们加起来,它们与路径相关的部分相互抵消,我们就有了内能。

麻省理工公开课 - 热力学与动力学课程节选

They are both forms of energy.

它们都是能量的表现形式。

麻省理工公开课 - 热力学与动力学课程节选