Skills of World Wide Web Information Retrieval
WWW信息检索技巧

World wide Web contains a lot of valuable information,wich includes text,voice,and image.It is the most difficult for users to find the most needed information promptly and precisely from a sea of information.This article analyses reasons why information retrieval is so difficult,then introduces several important Chinese and English search engines,provide skills of how to search information roundly,precisely and promptly.