absolute value
柯林斯词典
1. N the positive real number equal to a given real but disregarding its sign. Written | x |. Where r is positive, | r | = r = | –r | 绝对值[maths]
返回 absolute value
absolute value
剑桥词典
- the distance from zero of a number on a number line
绝对值 （即数轴上一个实数距离原点的距离） 返回 absolute value