柯林斯詞典absolute value 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(duì)值[maths] 返回 absolute value劍橋詞典the distance from zero of a number on a number line 絕對(duì)值 （即數(shù)軸上一個(gè)實(shí)數(shù)距離原點(diǎn)的距離） 返回 absolute value