字母: letters of an alphabet; lett ...代码: code标记: tab; sign; stamp; peg; label ...双字母代码: two-letter code字母代码: alpha code; alpha-code; alphabed code; alphabet code; alphabetic code; letter code代码标记转换: coded mark inversion (cmi)希伯来字母代码: gematria字母代词: literation代码标识符: code identifier条件码标记: bar code label条形码标记: bar code label磁碟机的字母代号: character device names驱动器的字母代号: character device names所以用首字母代替: agriculture. agriculture代码标志倒置: coded mark inversion国家代码标志: country code indicator条形代码标号: bar code label磁盘驱动器的字母代号: character device names这两个字母代表什么: what do the letters国家代码标志码: country code indicator代码字母: code alphabet; code letter字母型代码: letter type code标记字母: code figure字母数字代码: alpha numerical code; alphameric code; alphanumeric code邮局代码标准化顾问组: post office code standardization advisory grou(pocsag)