信息、物质、能量已成为现代化社会的三大要素。随着“信息爆炸”时代的到来，我们可以预言，信息将成为世界经济发展过程中最为活跃的因素之一。提到信』急，必然涉及信息搜集这一重要的问题。吉林人民出版社出版的《信息采集》一书（由孟雪梅主编，1995年5月第1版。）从某种 Information, material and energy have become the three major elements of a modern society. With the era of “information explosion”, we can predict that information will become one of the most active factors in the development of world economy. Mentioning a letter urgently involves the important issue of information gathering. Jilin People’s Publishing House published “Information Collection” a book (edited by Meng Xuemei, May 1995 1st edition.) From a