劍橋詞典

formal
the process of doing something again and again, usually to improve it, or one of the times you do it
反復（通常為了作出改善而重復做某事）
the repetition and iteration that goes on in designing something 在設計某物時的重復與反復修改
The software is on its fifth iteration. 這個軟件已經是第五版。
mathematics, computing   specialized
an amount that you get when you use a mathematical rule several times
迭代，疊代（數(shù)學里若干次使用一個數(shù)學法則得出的量） 返回 iteration