英语翻译

题目

英语翻译
1、Memory units may be characterized by their access and cycle times; memory access time may be defined as the length of time required to read a word from memory ,and memory cycle time may be defined as the minimum interval of time required between successive memory operations.
2、Packaged software refers to programs prewritten by professional programmers that are typically offered for sale on a diskette.There are over 12000 different types of application packages available for microcomputers alone.
3、Multimedia is the presentation of information using the combination of text,sound,pictures,animation,and video.Common multimedia computer applications include game,learning software,and reference materials.Most multimedia applications include predefined associations,known as hyperlinks ,that enable user to switch between media elements and topics.、
帮我翻译一下这3句话吧.

答案

1 ,内存单位的特点是其获取和周期;记忆体存取时间可能被界定为所需的时间读一个字从记忆体和记忆体的周期时间可以被定义为最小间隔所需的时间之间的连续记忆体行动.
2 ,套装软件是指程序预写了专业的程序员通常出售的软盘.有超过12000不同类型的应用程序包可用于微机单独.
3 ,多媒体介绍信息,结合文字,声音,图像,动画和视频.通用多媒体计算机的应用包括游戏,学习软件,并参考材料.大多数多媒体应用包括预定协会,被称为超文本链接,使用户之间进行切换的媒体内容和主题.