duplication基本解释

n,[印刷][遗]复制；副本；成倍,同近

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。

复制；副本；成倍英释中释nIf 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