sgl文件:帮忙给一点以下物体的英文描述

来源:百度文库 编辑:中科新闻网 时间:2024/05/03 11:47:54
1,radio and television
2,The internet
3,cloning
每段大约五六句就行了

从网上复制一段就可以

简单的描述
谢谢
能不能再长一点

radio:
The wireless transmission through space of electromagnetic waves in the approximate frequency range from 10 kilohertz to 300,000 megahertz.
television:
The transmission of visual images of moving and stationary objects, generally with accompanying sound, as electromagnetic waves and the reconversion of received waves into visual images.
The internet:
An interconnected system of networks that connects computers around the world via the TCP/IP protocol.
cloning:
A cell, group of cells, or organism that are descended from and genetically identical to a single common ancestor, such as a bacterial colony whose members arose from a single original cell.