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无线寻呼业务是单向。

发布日期:2020-04-12

无线寻呼业务是单向。
A

B

试题解析

无线寻呼业务

无线寻呼业务(radio paging service)是主叫用户通过公用电话网和无线寻呼系统向用户单向传递简单信息的一种业务。可有音响呼叫、数字显示、字母显示、汉字显示或混合显示等方式。

中文名
无线寻呼业务
外文名
radio paging service

单向

单向,读音dān xiàng,汉语词汇,释义为不经受方向的变化或倒反的。

中文名
单向
读音
dānxiàng
外文名
unidirectional
释义
不经受方向的变化或倒反的

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