| 释义 |
〔cipher〕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〔notation〕A system of figures or symbols used in a specialized field to represent numbers, quantities, tones, or values:标志：图案或符号系统，用在特殊领域表示数字、数量、语气或价值：〔code〕A system of signals used to represent letters or numbers in transmitting messages.电码：信息传送中用于代表字母和数字的符号系统〔scale〕A system of ordered marks at fixed intervals used as a reference standard in measurement:刻度：一种用作测量标准的有固定间隔的符号系统： |