| 单词 | communication line |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔-lined〕Negotiators say they're keeping communication lines open.谈判专家说他们保持着沟通渠道的畅通。柯林斯高阶〔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 |
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