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| energy coverage | |||
| energy range; energy zone | |||
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能量 区 : 10 phrases in 6 subjects |
| Earth sciences | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 4 |
| Space | 1 |
| Technology | 2 |
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