But in the height of the confusion, a mounted man galloped away to order the relays, and our horses were put to with great speed. 查尔斯·狄更斯.荒凉山庄.
Thus far we have referred to two systems, one the neutral or differential duplex, and the other the combination of the neutral and polar relays, making a diplex system. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
It consisted, generally speaking, of an electromagnet with relays connecting with a red and a blue lamp. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
I obviated this by using several relays, each with a different adjustment, working several sounders all connected with one sounding-plate. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.