杭州交通信息网2015四级英语听力原文:在线等 猜单词
来源：百度文库 编辑：杭州交通信息网 时间：2024/05/13 12:10:40
It is the field of engineering and applied phsics dealing with the design and application of device,usually electronic circuits,the operation of which depends on the flow electrons for the generation,transmisson,reception,and the storage of the information.(11 words)