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| radiation efficiency | |||
| efficiency of radiation; radiative efficiency | |||
| radiant efficiency | |||
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| radiant efficiency | |||
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辐 射 效率 : 45 phrases in 10 subjects |
| Agriculture | 1 |
| Air defense | 8 |
| Aviation | 6 |
| Earth sciences | 4 |
| Electronics | 4 |
| Geophysics | 3 |
| Information technology | 6 |
| Space | 6 |
| Technology | 4 |
| Telecommunications | 3 |
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