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| energy balance The energetic state of a system at any given time (在任何时间，系统的能量状态。) | |||
| conservation of energy | |||
| energy conservation; persistence of energy | |||
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| conservation of energy | |||
| energy conservation | |||
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| energy conservation | |||
| 能量守恒: 33 phrases in 12 subjects |
| Aviation | 4 |
| Bridge construction | 1 |
| Chemistry | 1 |
| Compressors | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 3 |
| Rail transport | 1 |
| Space | 1 |
| Sports | 1 |
| Technology | 13 |
| Wind Energy | 5 |
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