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 | 絕對值[maths]
返回 absolute value
absolute value
剑桥词典
- the distance from zero of a number on a number line
絕對值 （即數軸上一個實數距離原點的距離） 返回 absolute value