数码和字元集 teletext character codes: 电视文字广播用的文字符号代码character sets and information coding: 字符集和信息编码character sets multiple: 多字符集compatibility character sets: 兼容字符集display character sets: 显示字符组; 显示字元集; 显示字元组下载手机词典可随时随地查词查翻译