数值字元集(字元子集) numeric character subset: 数字字符子集numeric character set: 数字字符集numeric coded character set: 数字编码的字符集; 数字编码字符集numeric-coded character set: 数字编码字符集character subset: 字符子集 字元子集合下载手机词典可随时随地查词查翻译