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

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。
This can cause some duplication, compared to a more-normalized structure.
与更规范的结构相比，这可能会导致一些重复。
Thus, there is a duplication of effort that lengthens the.
因此，这是一个延长程序和增加不必要费用的复制品。
Try to avoid wasteful duplication of effort.
尽量避免无用的重复劳动。
Unauthorized duplication is forbidden.
未经授权，不得翻录。
The present technical development might let us transcribe and the duplication sound as necessary.
现在的科技发展可以让我们随时录制和复制声音了。
But this is a& this raises a problem, that we'll see actually in just a moment having this duplication.
但这就引起了一个问题，我们刚才看到了，我们有一个重复的值。
This enabled me to avoid code duplication more elegantly than I could have with a procedural language.
这使得我可以避免代码重复，从而比使用过程语言更为优雅。
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。
It avoids these problems of duplication and fission.
它能避免复制和分裂的问题么。