ANDREW LELAND: Which is the search for extraterrestrial intelligence people.

安德鲁·利兰：这是寻找外星智慧生命的人。

The search for extraterrestrial intelligence, known as SETI, is an effort to find artificial-looking electromagnetic-radiation signals that might have come from a technologically advanced civilization in a far-away solar system.

搜寻地外文明计划（SETI）是一项寻找人造电磁辐射信号的项目，这些信号可能来自遥远太阳系中技术先进的文明。