n.電子學；電子器件

My son has been doing electronics at Princeton. 我兒子一直在普林斯頓大學攻讀電子學。

A few years ago, it would have needed a shoe-box of electronics to drive it, and it would still have been hit-or-miss. 幾年前，它還需要鞋盒那么大的電子器件來驅(qū)動，而且還經(jīng)常搞錯。

n.微電子學

n.光電子學