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| 光度单位 | |||
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light unit : 20 phrases in 9 subjects |
| Automobiles | 3 |
| Aviation | 4 |
| Desert science | 1 |
| Electronics | 2 |
| Nursing | 1 |
| Oil / petroleum | 1 |
| Racing and motorsport | 1 |
| Space | 1 |
| Technology | 6 |
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