early 15c., "doubling," from Middle French duplicacion (13c.) and directly from Latin duplicationem (nominative duplicatio), noun of action from past participle stem of duplicare (see duplicate (adj.)). Meaning "repetition" is from 1580s.
双语例句
1. Try to avoid wasteful duplication of effort.
尽量避免无用的重复劳动。
来自柯林斯例句
2. Duties have been reassigned to avoid wasteful duplication of work.
为避免重复劳动浪费资源,任务已经重新分派.
来自《简明英汉词典》
3. We will attempt to avoid duplication by appropriate cross references.
将用适当的前后对照的方法来避免重复.
来自辞典例句
4. Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butene.
三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带.
来自辞典例句
5. In addition to being wasteful, duplication may be inconvenient and irritating to consumers.
