dots and dashes meaning in English

莫尔斯符号
莫尔斯信号

I0 is similar except that it uses “ 0 ” and “ 1 ” impulses instead of dots and dashes
I0也一样，但使用的是0与1脉冲，而非摩斯密码的点与横画。
In telegraphy communications , a device with a finger - operated lever with contacts that make and break a circuit to send characters by means of dots and dashes or spaced clicks
在电报通信技术中,一种用手指操纵的器件,通过按下、松开使电路一会儿通、一会儿断,形成点、划、空的信号,从而发送出字符(信息) 。
A private wireless telegraph which would transmit by dot and dash system the result of a national equine handicap flat or steeplechase of 1 or more miles and furlongs won by an outsider at odds of 50 to 1 at 3 hr . 8 m
在阿斯科特举办的全国障碍赛马平地或越野赛一英里或数英里英浪262的比赛中，下午三点八分格林威治标准时间，一匹“黑马”以五十博一获胜。