Reversals are an English plural for reversal which means the action of changing something to the opposite of what it was before; an occasion when this happens.
36), has in circuit a battery B and an in terrupter I, and at some distance and parallel to this primary circuit is placed a secondary circuit S, having a telephone T included in it, the interruptions or reversals of the current in the primary circuit will give rise to a varying magnetic field round
reversals与发音含义,同义词,反义词,翻译,刑和更多的