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poincaré conjecture
释义
Poincaré conjecture
Poincaré conjecture
[
‚pwän‚kä′rā kən‚jek·chər
]
(mathematics)
The question as to whether a compact, simply connected three-dimensional manifold without boundary must be homeomorphic to the three-dimensional sphere.
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dqbr
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dqc
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fernally
fernan caballero
fernanda de noronha-atol das rocas moist forests
fernand braudel
fernand crommelynck
fernandel
fernandez de avellaneda, alonso
fernandez de lizardi, jose joaquin
fernandez, emilio
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更新时间:2026/10/3 17:44:59