subscriber trunk dialling中文什么意思
用户中继拨号
- subscriber: n. 1.捐助人，捐款人。 2.预约 ...
- trunk dialling: 〔英国〕长途电话拨号。
- international subscriber dialling: 国际直接拨号; 直接
例句与用法
- Subscriber trunk dialling ( std ) is inaugurated in the uk by queen elizabeth ii when she speaks to the lord provost in a call from bristol to edinburgh
1958年用户长途直拨（ std ）系统由英国由女王伊丽莎白二世举行开机典礼，她在一个从布里斯托尔到爱丁堡的长途拨叫中与对方城市的市长通话。
百科释义
Subscriber trunk dialling (STD, also known as subscriber toll dialling) is a term for a telephone system allowing subscribers to dial trunk calls without operator assistance.
详细百科解释
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