[mass noun]the repetition of a process or utterance 重复;复述,重申 ■repetition of a mathematical or computational procedure applied to the result of a previous application, typically as a means of obtaining successively closer approximations to the solution of a problem 反复演算 ■[count noun]a new version of a piece of computer hardware or software 计算机硬件(或软件)的新版本
语源
late Middle English: from Latin iteratio(n-), from the verb iterare (see iterate)