duplication

英 [ˌdjuːplɪˈkeɪʃn]

美 [ˌduːplɪˈkeɪʃn]

n. (不必要的)重复

BNC.12011 / COCA.16647

柯林斯词典

N-UNCOUNT (不必要的)重复
If you say that there has beenduplicationof something, you mean that someone has done a task unnecessarily because it has already been done before.
1. ...unnecessary duplication of resources.
  不必要的资源重复

noun

the act of copying or making a duplicate (or duplicates) of something
1. this kind of duplication is wasteful
Synonym:gemination
a copy that corresponds to an original exactly
1. he made a duplicate for the files
Synonym:duplicate

Data should not be duplicated unless duplication is essential for practical reasons.
除非有实际的原因需要进行复制，否则不能够对数据进行复制。
PDM allows enterprise wide sharing of timely and accurate information without duplication of data.
PDM允许在没有数据重复的情况下广泛地共享及时和精确的信息。
Early results from the analysis revealed complexity that extended beyond product duplication.
来自分析的早期结果揭示了超越产品复制的复杂性。
Silos causes duplication of systems, business rules and data.
筒仓造成了系统、业务逻辑和数据的重复。
Unauthorized duplication is forbidden.
未经授权，不得翻录。
The new Bean Validation specification ( JSR303) makes validation simpler and reduces the duplication and errors.
新的Bean验证规范（JSR303）让验证更为简单，并减少了重复和错误。
If we accept the body view, we avoid the duplication problem.
如果接受肉体理论的观点，就避免了复制的问题。
Broken away from sameness or or identity or duplication.
从同一、一致或者重复中脱离出来。
Tasks: Eliminate duplication of resources, increase operational efficiency, and boost work productivity and results.
任务：消除资源重叠，提高运营效率，提高工作效率和成果。
Try to avoid wasteful duplication of effort.
尽量避免无用的重复劳动。