这就增加了如果一个单独的订阅者通过几种不同形式购买可能被统计两次，三次或四次的可能性。

That raises the possibility that a single subscriber could be counted twice, three or four times if paying for access on several different devices.

youdao

然而几何学告诉我们，只有二次、三次、四次和六次的旋转对称是能够存在的形式。

That is impossible. Geometry dictates that only two-, three-, four- and sixfold rotational symmetry can exist.

youdao

拟和线是一个三次多项式的形式，但是任何形式的平滑都会告诉你有一个大的上升趋势。

The fitted line in the figure is a 3rd-degree polynomial, but any sort of smoothing would tell you that there is a massive upward trend.

youdao