【万物简史】PART III CH 11马斯特•马克的夸克（11）_英语听力练习mp3下载-科学-沪江听力酷

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【万物简史】PART III CH 11马斯特•马克的夸克（11）

听力简介：

通过引入额外的维度，超弦理论使科学家能把量子定律和引力定律相对比较融洽地合在一起，但是，这也意味着，科学家关于这个理论的任何解释，听上去都会令人惴惴不安，犹如公园凳子上的陌生人告诉你某个想法，你听了会慢慢走开一样。此外，弦理论又进一步产生了所谓的M理论。
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文中需听写单词或词组用[-No-]表示，句子用[---No---]表示。请边听写边理解文意，这样可以提高听力准确度，并为训练听译打下基础哦~~~

By introducing extra dimensions, superstring theory enables physicists to pull together quantum laws and gravitational ones into one comparatively tidy package, [---1---] Here, for example, is the physicist Michio Kaku explaining the structure of the universe from a superstring perspective: "The heterotic string [-2-]a closed string that has two types of vibrations, clockwise and [-3-], which are treated differently. The clockwise vibrations live in a ten-dimensional space. The counterclockwise live in a 26-dimensional space, of which 16 dimensions have been compactified. (We recall that in Kaluza's original five-dimensional, the fifth dimension was compactified by being [-4-] into a circle.)" And so it goes, for some 350 pages.

String theory has further spawned something called "M theory," which [-5-] surfaces known as membranes—or simply "branes" to the hipper souls of the world of physics. [---6---] Here is a sentence from the New York Times, explaining this as simply as possible to a general audience: "The ekpyrotic process begins far in the [-7-] past with a pair of flat empty branes [-8-] in a warped five-dimensional space. . . . [---9---]" No arguing with that. No understanding it either. Ekpyrotic, incidentally, comes from the Greek word for "conflagration."