conservation of energy 能量守恒定律 ; [物] 能量守恒 ; 节约能源 ; [物] 能量不灭
law of conservation of energy [物] 能量守恒定律 ; 能量守恒律 ; [物] 能量不灭定律 ; 量能不灭定律
principle of conservation of energy [物] 能量守恒原理 ; 能量守恒律 ; 能量守恒定律 ; 能量不灭原理
conservation of energy and momentum 能量动量守恒
conservation of energy principle 能量守恒原理
conservation of energy theorem 能量守恒定律 ; 能量守恒定理
Conservation of Energy Law [物] 能量守恒定律
conservation of mechanical energy 机械能守恒定律 ; 机器能守恒 ; 学能守恒
from the conservation of energy 从节能 ; 从保护能源 ; 从能量守恒
This principle, called conservation of energy, is one of our most cherished laws of physics.
这一原理，也即能量守恒，是物理学中最宝贵的定律之一。
This posed a conundrum for researchers working with the laser: How were they to apply the laws of conservation of charge and conservation of energy with two forms of energy output?
这就为研究激光的工作人员出了一个难题：如果能量输出有两种形式，他们怎样运用电荷守恒和能量守恒定律呢？
NOT ONLY HAS CONSERVATION of energy been empirically validated many times over, but scientists also have good theoretical reasons to believe it.
不仅仅是因为能量守恒被实验无数次地证实过，科学家信赖它也是有理论依据的。
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