A rearrangement or result of the rearrangement of tones in which upper and lower voices are transposed, as in counterpoint, or in which each interval in a single melody is applied in the opposite direction.
转位高音和低音变调过程中音调的再排列或音调再排列的结果，例如对位声部中，或者以相反方向动用单个旋律中的每个音程
A cryptographic system in which units of plain text of regular length, usually letters, are arbitrarily transposed or substituted according to a predetermined code.
密码一种密码系统，其中固定长度的明文里的单元，通常为字母，被任意倒置或按事先确定的符号系统替换
