我国在校的优秀学生(包括中学生)、高层次的在职人员和在外留学的尖子人才一直是西方发达国家猎取的重要对象。当前由于各国高科技人才紧缺的危机引发并波及全球的人才争夺战愈演愈烈。据美国2000年8月公布的一项研究显示,当年就有80万个技术岗位空缺。美国总统2000年5月提出了 Outstanding students (including middle-school students), high-level in-service personnel and top-notch talents studying abroad have always been the key targets hunted by the developed western countries. At present, the battle for talent, triggered by the crises in high-tech talent shortage in various countries and spread around the world, is intensifying. According to a study released by the United States in August 2000, there were 800,000 technical vacancies in the year. The U.S. President proposed in May 2000