【摘要】 探索地外文明是一种行星规模上的开放,也是地球文明开始成熟的标志。无论从哲学的角度还是科学的需要,这种探索都显得意义非凡。更多还原

【Abstract】 The search for extraterrestrial civilization is one of the most fascinating questions in modern sciences. It could have a profound impact on the human race. Some major concepts related to the search for intelligent life in outer space are introduced.更多还原