This thesis is concerned with the relations between topological string theory and some exactly solvable models.

Because of this technical limitation, tests of string theory have remained elusive until now.

由于技术上的限制，直到今日弦理论的测试仍难以进行。

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This man knows nothing about things such as Dark Matter, Energy, M-String Theory.

此人对暗物质、能量、M弦理论等知识一窍不通。

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String Theory was in trouble.

弦理论陷入了困境。

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String theory had begun to unravel.

弦理论已经开始瓦解。

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When I entered the field of string theory, I was a prodigy.

当我刚进入弦理论领域时，我是个奇才。

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And so, I am going to just throw in string theory here,

所以在这里我也要顺便谈谈弦理论，

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However, it is that absence of proof that is perhaps most damning.

缺乏实验证明也许是弦理论最致命之处。

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But string theory still awaits experimental proof.

但弦理论仍需试验证实。

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Everything, it seemed, had been tried to save string theory.

一切，似乎试图拯救弦理论。

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Soon they had found five different string theories.

很快他们发现了5种不同的弦理论。

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Two-flux Colliding Plane Waves in String Theory

弦理论中的双通量碰撞平面波

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There have profound relations between the string theory and condensed matter physics.

弦理论与凝聚态物理之间有着很深刻的联系。

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String theory has displaced it and almost destroyed Duff's career.

弦理论取代了它，差点毁了达夫的职业生涯。

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Proponents say that string theory is elegant and beautiful.

支持者称弦理论是一流的和很好的理论。

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Now something almost magically happened to the five competing string theories.

几乎魔术般地发生一件事致使这5个弦理论不再分庭抗礼。

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The Searching of String Theory and the Science Revolution in New Century

弦理论探索与新世纪科学革命

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Black hole entropy in string theory is also briefly discussed.

也简短讨论了弦理论中的黑洞熵。

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String theory and noncommutative geometry are modern ideas in physics.

非对易是弦理论中的重要内容。

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When string theory fell apart, not everyone was distraught.

当弦理论破裂时，不是每个人都心烦意乱。

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His talk will focus on M-theory, a broad mathematical framework that encompasses string theory, which is regarded by many physicists as the best hope yet of developing a theory of everything.

M理论（M-theory）将会成为霍金演讲的中心议题，它是一个囊括了弦理论的大数学框架，很多物理学家将M理论视为推导出万有理论的希望寄托。

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