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人类有与地外文明交流的强烈愿望。多年来,各种所能想像到的、且在技术上能够实现的努力不断尝试着!其中被认为最可能产生成果的一个努力,就是搜索宇宙中的无线电波。我们一厢情愿地认为外星智慧生物掌握了无线电技术,并像我们一样每天都坚持不懈地试图侦听到宇宙嘈杂的背影辐射中一丝由智慧生命发出的信号。我们在不断地发射信号和捕捉信号。这看起来就像是有人在风雨交加的夜晚,戴着墨镜,靠着明灭不定的火柴光,在一个异常庞大的草堆中努力地搜寻一根缝衣针。
Humans have a strong desire to exchange ideas with other places. Over the years, a variety of conceivable and technologically endeavorful attempts have been made, one of the most considered productive efforts to search for radio waves in the universe. Our wishful thinking is that alien intelligence beings have mastered the radio technology and, like us, are constantly trying to listen to the slightest signal of intelligent life in the noisy radiation of the universe. We are constantly transmitting and capturing signals. It looks like someone is trying to search for a sewing needle in an unusually large haystack, wearing dark glasses, relying on the flickering matches of firewood, in a stormy night.