As this causes a loud repetition of the original signals, it will be seen that relaying is an economic method of extending a telegraph circuit beyond the natural limits of its battery power. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
She served, however, a most useful purpose, by virtue of her great bulk, steadiness, and carrying capacity, for relaying the Atlantic cable in 1866, and others in 1873-1874. Edward W. Byrn.十九世纪发明进展.
In such a case the movements would be the reverse of those above indicated, but the end sought--namely, the relaying of messages--would be attained with the same certainty. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
It will be understood, of course, that the electromotograph is a receiving and relaying instrument. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
The actual relaying was accomplished through the medium of two contacts making connection with the local or relay circuit. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.