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energy transfer; energy transformation; power conversion | |||
energy conversion | |||
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energy transformation |
能量 变换 : 11 phrases in 8 subjects |
Air defense | 1 |
Aviation | 1 |
Earth sciences | 1 |
Electronics | 1 |
General | 2 |
Oil / petroleum | 1 |
Space | 2 |
Technology | 2 |