- 拼写相近单词
- retraction
- 更多 网络例句 与retractions相关的网络例句 [注：此内容来源于网络，仅供参考]
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Special morphisms such as monomorphisms, epimorphisms, sections, retractions, extremal monomorphisms, extremal epimorphisms, constant morphisms, coconstant morphisms, zero morphisms and special objects such as initial objects, terminal objects and zero objects are studied and their characterization is obtained.
较为系统地讨论了范畴Quant的性质，考察了范畴Quant中单态射、满态射、截节、收缩、极端单态射、极端满态射、常值态射、余常值态射、零态射等特殊态射和始对象、终对象等特殊对象，给出了它们的具体刻划，得到了范畴Quant是良幂的，余良幂点化范畴。
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Preliminary results indicate that further retractions will result from this exercise.
初步结果表明，撤消将导致进一步的这项工作。
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Details of these retractions appear elsewhere in this issue of the journal.
这些地方撤消的详细信息显示在这个杂志上。
- 更多网络解释 与retractions相关的网络解释 [注：此内容来源于网络，仅供参考]
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Retractions：(收缩,可能意为肺部萎缩)
Rhonchi (鼾音) 21 (39) | Retractions (收缩,可能意为肺部萎缩) 17 (32) | Cardiac (心脏)
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make public retractions of past statements：公开收回之前的说话
公明党党魁神崎武法Takenori Kanzaki, the New Komeito leader | 公开收回之前的说话make public retractions of past statements | 公开的秘密an open secret