它们是偶数位的数字，可以被平分为两个所谓的尖牙，这些尖牙是这个数的因子，包含原始数的所有数字。

They are Numbers with an even number of digits that can be equally divided into two so-called fangs. These fangs are factors of the number and contain all of the digits of the original number.

youdao

pai也是个无理数，它的小数位有无限多，而且pai无法写成了两个整数的比值。

It's also an irrational number, with an infinite number of decimal places and can't be written as a ratio of two whole Numbers.

youdao

pai也是个无理数，它的小数位有无限多，而且pai无法写成了两个整数的比值。

It's also an irrational number, with an infinite number of decimal places and can't be written as a ratio of two whole Numbers.

youdao