redundanc y

英 美
  • 冗余
  • Y n.英语字母表的第25个字母(亦作y);〈化〉钇(yttrium)abbr.(=yard;year)院子;年
名词 redundancy:
  1. repetition of messages to reduce the probability of errors in transmission

  2. the attribute of being superfluous and unneeded

  3. (electronics) a system design that duplicates components to provide alternatives in case one component fails

  4. repetition of an act needlessly