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| 1. | (optics) varying slightly from a perfectly spherical shape. |
| 与绝对的球形有细微的同。 |
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| 2. | If you began with an egg, it would gradually become perfectly spherical. |
| 如果流形一开始是蛋壳状，它会慢慢地变成完美的球形。 |
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| 3. | If the collapse if not perfectly spherical, the supernova will give off an intense burst of gravitational |
| 如果蹋缩过程不是沿着完美的球形，超新星将在瞬间发出强烈的引力波。 |
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