求翻译：在各國史書中也有不少疑似外星人的奇異記載，但現今人類還無法實際探查是否有外星生命，甚至是外星人的存在。美國FBI於2011年4月所公開的解密手稿當中，關於羅斯威爾飛碟墜毀事件的紀錄，常被當作目前可能外星人存在的證據。一些學者專家認為，很多人在不同的程度上和外星人有過接觸，其實都是心理作用。據美國哈佛大學首席天體物理學家霍華‧史密斯（Howard Smith）博士的說法，人類很可能是整個宇宙中唯一的「人」。他也認為，人類發現「外星人」的機率很小。即使發現有外星人的存在，也幾乎不大可能和他它們發生任何接觸。是什么意思？

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In the countries 史書, there are a number of suspected an the peeled kiwi documents, but today's human also cannot actual probe if there is an life, or even an exists. Fbi in 2011 4 month the public decryption manuscripts, about Roth Wales 飛碟 墜毀 event log that is often used as a current may be an exis

Also has the many doubtful alien's strange record in the various countries' history book, but the nowadays humanity is also unable outside to investigate actually whether has the star life, even is alien's existence.American FBI in the middle of the decipher draft manuscript which publicizes in Apri

In their history books, many suspected alien singular record, but humans cannot actually probing whether there is extraterrestrial life, or even the existence of aliens. United States open decrypted by the FBI in April 2011, manuscripts and records about the Roswell UFO crash, is often used as the e

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