这就是我们在数学里用弧度表示角度的原因。

That's the reason why we always used radians in math.

youdao

性能：从计算角度看，处理用XML表示的数据比处理用原生数据类型表示的数据需要更多的开销。

Performance: From a computational perspective, processing data represented in XML is more expensive then data representations in native data types.

youdao

一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。

A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).

youdao

So what we're going to do is we're going to look at some numbers that are approximately the probabilities of scoring when you kick the penalty kick in different directions.

接下来,我们来用数字表示,在不同角度踢点球射门,能够得分的概率

耶鲁公开课 - 博弈论课程节选

Therefore, mathematically at a given time t, we can trade t for v and put it into this formula.

因此,从数学角度来说,在给定的时刻 t,我们可以用 v 来表示 t,并代入这个式子

耶鲁公开课 - 基础物理课程节选