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| 单词 | line spectrum |
| 释义 | line spectrum in American English1. a spectrum that consists of narrow, brightly colored, parallel lines on a dark background, emitted by a low-pressurized glowing gas 2. a spectrum that consists of narrow, dark, parallel lines on a brightly colored background,produced from a hot light source that is surrounded by cooler gases that absorb and thus remove certain wavelengths |
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