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1·I don't know how to operate the teleprinter, would you please help me?

我不知如何使用电传机，你能帮帮我吗？

2·The ideal arrangement is to have a teleprinter communicating between the two rooms.

理想的条件是两个房间由一台电传打字电报机联系。

3·A teleprinter is really a machine which sends a typewriter message over a telegraph circuit.

电报机实际上是一种在电报电路上传送打印信息的机器。

4·Baudot code was conceived by Emile Baudot, an early French telegraphic engineer, and is used in many teleprinter systems.

波德码是一位早期的法国电报工程师艾美·波德的构思，很多电传打字机都采用这个体制。

5·What is the channel capacity for a teleprinter channel with a 300-hz bandwidth and a signal-to-noise ratio of 3 dB, where the noise is white thermal noise?

一个电传打印机的带宽是300hz，信道内所传信号的平均功率与白热噪声功率的比值为3分贝，问其信道容量是多少？