start stop character [计] 启停字符
A character including one start signal at the beginning and one or two stop signals at the end.
一种字符，由一个起始信号开头，一个或两个停止信号结尾。
The technique used by most electromechanical serial? devices such as teletypewriters, with this technique, each character consists of three parts: a start bit, the data bits and a stop bit.
多数机电串行设备如电传打字机所经常使用的一种传输技术。采用这种技术时，每个字符由一个起始位、干数据位和一个停止位三部分组成。
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