人类已经进入到了21世纪。新世纪为人类展现了全新的画卷:互联网经济异军突起,生物工程突飞猛进,环保产业方兴未艾,航空技术正向宇宙的未知领域挺进……。与之相伴随的是,世界经济加快了全球化,经济的发展更加关注人的本身——个性、状况、环境、生活质量、 Mankind has entered the 21st century. The new century has shown a completely new picture for mankind: the sudden emergence of the Internet economy, the rapid advance of bioengineering, the advent of the environmental protection industry and the advancement of aviation technology in the unknown area of ​​the universe ... Accompanied with this, the global economy has accelerated its globalization and its economic development has paid more attention to the human being itself: its personality, conditions, environment, quality of life,