1. （尤指用于无线电、电视和计算机的）电子学，电子技术
    Electronics is the technology of using transistors and silicon chips, especially in devices such as radios, televisions, and computers.

    e.g. ...Europe's three main electronics companies.
           欧洲三大电子公司

2. 电子设备;电子仪器
    You can refer to electronic devices, or the part of a piece of equipment that consists of electronic devices, as the electronics .

    e.g. All the electronics are housed in a waterproof box.
           所有电子设备都储放在一个防水盒中。
    e.g. ...cheaper, better consumer electronics.
           更廉价、更优质的消费型电子技术产品