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| 1. | The neon lights that adorn our city streets have a spectrum consisting of a few wavelengths near the |
| 使城市街道生色的氖灯的光谱由一些靠近红色端的波长组成。 |
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| 2. | If you spread the light of a star out into a rainbow and photograph it, you have a spectrum of the star |
| 如果你把恒星的光分解为彩虹的颜色并且对它拍照，你就得到了恒星光谱。 |
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| 3. | Wolf-Rayet stars have a characteristic spectrum, caused by winds of gas streaming away from their surfaces |
| 伍尔夫_雷耶特“星体的光谱很有特点，这是由于星云风暴以每秒钟几千公里的速度向外吹刮而引起的。 |
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