duplication
🇬🇧/ˌdjuːplɪˈkeɪʃ(ə)n/ 🇺🇸/ˌduːplɪˈkeɪʃ(ə)n/📚 17398六级GREgmatIf you say that there has been duplication of something, you mean that someone has done a task unnecessarily because it has already been done before. 重复
noun [抽象名词]复制，复印；重复；成倍，成双；副本，复制品；（染色体中DNA的）重复段
There could be a serious loss of efficiency through unnecessary duplication of resources.
不必要的资源重复会导致严重的效率损耗。
单词造句:
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- It turns out, though, that there are various degrees of genetic duplication. 然而，事实证明，有不同程度的基因复制。
- Little reward accompanies duplication and confirmation of what is already known and believed. 重复和确认人们已经熟知和确信的事情是没有意义的。