1.  replacement
2.  displacement
3.  substitution
4.  permute
5.  metathesis

• 1. 置换: permutation | Displace | replacement | Swap
• 2. 地方政府置换债券: local government debt-converting bonds
• 3. 置换群: permutation group | Leonardo's Notebook | alternating group | substitution group

更多释义

• 1.你为什么会认为梳理打扮一类的置换活动常常是令人舒适的行为呢？
  Why do you think displacement activities are so often comfort behaviors, such as grooming?
  dict.yoduao.com
• 2.置换是理解的一种延迟或迂回，而另一方面，凝结则是理解的一种升华。
  Displacement is a kind of delay or detour of understanding, and condensation, on the other hand, is a kind of distillation of understanding.
  dict.yoduao.com
• 3.这个过程被称为“置换”，因为溶液溶解了原来的物质，并用等量的新物质取而代之。
  This process is termed "replacement" because solutions have dissolved the original material and replaced it with an equal volume of the new substance.
  dict.yoduao.com

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