[usu. treated as sing.]the branch of physics and technology concerned with the design of circuits using transistors and microchips, and with the behaviour and movement of electrons in a semiconductor, conductor, vacuum, or gas 电子学 electronics is seen as a growth industry. 电子学被认为是迅速发展的行业。 [as modifier]electronics engineers. 电子工程师。 ■[treated as pl.]circuits or devices using transistors, microchips, and other components 电路;电子器件