实数类型定义了一组可以以浮点记号描述的数。
A real type defines a set of Numbers that can be represented with floating-point notation.
我担忧那我将老是是一像根三的孤独数一三是和准确所有好的一切为何我的三必需让不惹目力在一险恶平方根记号下呢？
I fear that I will always be a lonely number like root three a three is all that's good and right Why must my three keep out of sight Beneath a vicious square-root sign?
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