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- 次DM信號DM secondary signals
- 復合DM信號DM complex signals
- Dm信道上的鏈路接入規程Link Access Procedure on the Dm channel LT
- 帳號account number
- 單號odd numbers
- 六號6th day of the month
- 求職信application letter
- 三號thirds
- 二號2nd day of the month
- 不可信unlikelihood
- 區號district number
- 封信seal up an envelop
- 分號semicolon
- 發(fā)短信send short messages
- 大號tuba
- (翻譯)信、達、雅"faithfulness, expressiveness and taste"
- 短號cornet
- 催款信call letter
- 貨號article No.
- 去信write to
