the act or process of changing something from one position to another, or of exchanging the positions of two things

In accounting, an error in copying a number from one place to another is a transposition error. 在会计学中，将数字从一个地方复制到另一个地方时所发生的错误被称为换位误差。

Sometimes a simple transposition of letters may make things more complicated. 有时，一个简单的字母换位可能会使事情变得更加复杂。

the act of playing or writing a piece of music in a different key (= set of musical notes based on a particular note) from the one used originally

downward transposition from G to F 把音乐从G调降到F调。

Signs indicate note-lengths, rests, and octave transposition. 这些符号表示音符长度、休止和八度变调。