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

尽管这张照片之前被公开过，但出于对首相先生的尊重，当时提供照片的新闻社对照片中布莱尔的手势进行了数位技术处理。

Although the photo has been published before, Mr Blair's hand gesture was digitally removed from it by the press agency which supplied it, out of respect for the Prime Minister.

youdao

我为这群孩子们拍了一些照片，他们立刻对我的数位相机感到极大的兴趣。

I took a few pictures of the children and they became fascinated with my digital camera.

youdao

And there's probably more digits after the decimal place, but because of my formatting string, I only see a couple of them.

这里可能有更多的小数位，但因为我对结果设定了格式，我们只看到两位。

哈佛公开课 - 计算机科学课程节选

So unlike an int, this is the type of number that can have numbers after a decimal place.

所以，不同于int，这个类型的数字,可以有小数位。

哈佛公开课 - 计算机科学课程节选