像，像點函數中與某一集合中特定變數相對應的變數
A set of values of a function corresponding to a particular subset of a domain.
函數兩組元素一一對應的規則，第一組中的每個元素在第二組中只有唯一的對應量
A rule of correspondence between two sets such that there is a unique element in the second set assigned to each element in the first set.
波長光、熱或其它能量波的一個波峰或波谷與下一個對應的波峰或波谷之間的距離
The distance between one peak or crest of a wave of light, heat, or other energy and the next corresponding peak or crest.
手指，足趾其它脊椎動物相對應的部位
A corresponding part in other vertebrates.
