alphanumeric field字母: letters of an alphabet; lett ...数字: figure; digit; numeral; char ...字段: field; syllable字母数字字段描述符: alphanumeric field descriptor字母数字字符: alphameric characters; alphanumeric character下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:字母数字字段,即可在微信中查询翻译