That's the first law of thermodynamics.
这是热力学第一定律。
The idea that energy is conserved is the first law of thermodynamics.
能量守恒这一概念是热力学的第一定律。
PROFESSOR BAWENDI: Last time you talked about the first law of thermodynamics.
教授：上一次我们谈到,热力学第一定律。
Fairly powerful statement, and that's another form of the first law of thermodynamics.
这是一个相当有用的表述，是热力学第一定律的另外一种形式。
This is an abstract and powerful mathematical statement of the first law of thermodynamics.
这是热力学第一定律的一个抽象，而且具有很强数学性的表述。
This is an abstract and powerful mathematical statement of the first law of thermodynamics.
这是热力学第一定律的一个抽象，而且具有很强数学性的表述。
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