延: prolong; extend; protract码: a sign or object indicating ...字符: character编码字符: code character; coded character编码字符串: coded string编码字符集: coded character set编码字符组: code character set串换码字符: string escape character代码字符: code character二进码字符: binary coded character换码字符: escape character乱码字符: garbage characters条码字符: bar code character条码字符集: bar code character set写码字符: character coded数字编码字符: numeric-coded character条码字符间隔: bar code intrcharacte gap字母编码字符: alphabetical coded character编码字符字符集: alphabetic-coded character set单码字符转义序列: unicode character escape sequences二进制编码字符: binary coded character; binary-coded character二进制代码字符: binary-coded character汉字编码字符集: chinese character coding set数据链路换码字符: data-link escape character数据通信换码字符: data link escape character