经用户电报发或收的消息；

The news came by telegraph.

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被叫者不是或已经不再是用户电报的用户。

NP The called party is not, or is no longer a subscriber.

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本文讨论ST-2用户电报交换机的系统结构以及TDMA技术在交换机中的应用。

This paper deals with the system architecture of ST-2 telex switching system and the implementation of Time Division Multiplex Address (TDMA) technique.

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用户电报(电传)是按发送时间长短而不是按字数收费，所以发送时间越短，费用就节省得越多。

Telex charges according to the time while not the number of the words. Sending faster means saving more.

youdao

用户电报(电传)是按发送时间长短而不是按字数收费，所以发送时间越短，费用就节省得越多。

Telex charges according to the time while not the number of the words. Sending faster means saving more.

youdao