| 单词 | alphanumeric |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Hollerith code〕A code used for recording alphanumeric information on punch cards.何勒里思代码：在穿孔卡片上记录数字字母信息的代码美国传统〔access code〕An alphanumeric sequence that permits access to an electronic network, such as a telephone network or an automated teller machine.存取编码：一组字母数字序列，可使进入如电话网络或自动取款机的电子网络美国传统〔descriptor〕A word, a phrase, or an alphanumeric character used to identify an item in an information storage and retrieval system.描述符：在信息的存取系统中标识一条信息的单字、词组或混合字符串美国传统〔dot matrix〕A dense grid of dots or pins used to form alphanumeric characters or designs, as by some computer printers and visual display units.点阵：用于构成混合字符或图形的密集点网格或密集针网格，如用于计算机打印机及图象显示器美国传统〔idle character〕An alphanumeric or digital character that is transmitted over a communications line but does not appear in the output of the receiving terminal.无效字符：一个虽经通信线路传递却未出现于接收终端输出设备的混合字符或数字字符美国传统〔print bar〕A mechanism in a printing device that carries the template of the final form of the alphanumeric characters to be printed.打印杠：印刷设施中的机械装置，用于支起要印刷的字母数字符号最后形式的模板美国传统Your login name must be a four-character alphanumeric code.你的登陆名称必须包含四个字符的字母数字组合编码。牛津商务 |
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