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| 布朗迭尔光通发射度单位 | |||
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| 勃朗德尔亮度单位 | |||
| 布朗德尔 (光亮度单位) | |||
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blondel : 7 phrases in 3 subjects |
| Electric machinery | 2 |
| Electronics | 1 |
| Technology | 4 |
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