duplication

1. N-UNCOUNT If 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. 重復(fù)

There could be a serious loss of efficiency through unnecessary duplication of resources. 不必要的資源重復(fù)會導(dǎo)致嚴(yán)重的效率損耗。