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| 双曲抛物面双曲线抛物面; 双曲线抛物线曲面; 双曲抛物面 | |||
| 双曲线抛物面 | |||
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| один из двух типов параболоидов. Большой Энциклопедический словарь | |||
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гиперболический параболоид : 2 phrases in 1 subject |
| General | 2 |
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