艾琳于1914年10月进入塞维尼大学，准备攻读数学和物理学位。
Irene entered Sevigne University in October, 1914, to prepare for her degree in mathematics and physics.
在这个困难的数学阶梯上取得下一个进展之前，得先在四维空间做同样的事情。
On the next rung up the ladder of difficult mathematics comes doing the same thing in four-dimensional space.
但是读懂这种语言，并能够预测出一维元素如何在三维空间当中折叠的，则需要一本数学词典。
But to read this language and predict how the one-dimensional string will fold up in three-dimensional space, you need a mathematical dictionary.
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