我要写下整体的，能量守恒，机械能。
I'm going to write down the conservation of total energy, mechanical energy.
能量守恒定律也获得简单的形式。
这根本就不违反能量守恒定律。
There is also no violation of the law of conservation of energy.
通过滑板的人了解能量守恒！
“守恒”这个词来自于物理学;,如果说能量守恒。
Well, the word conservative comes from the idea in physics; if the conservation of energy.
能量守恒这一概念是热力学的第一定律。
The idea that energy is conserved is the first law of thermodynamics.
宇宙的物质和能量守恒。
能量守恒和能量转换定律是工程实践的主要基础。
The law of conservation and transformation of energy is the chief basis of engineering practice.
然后应用能量守恒定律去求得螺杆泵转子的设计规律。
Then, find out the design rules with the conservation law of energy.
另一方面，如果时间对称性被破坏/不再成立，能量守恒就也随之不再成立。
On the other hand, were time symmetry to break down, conservation of energy would fail.
这种“磁原则”的装置，如果推倒，执行数千年来能量守恒！也许一切都是可能。
This "Magnetic principle" device will, if built right, run for many thousands of years!
这种“磁原则”的装置，如果推倒，执行数千年来能量守恒！也许一切都是可能。
This "Magnetic principle" device will, if built right, run for many thousands of years!
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