Eighteen years earlier, two Cornell physicists, Philip Morrison and Giuseppe Cocconi, had tried to imagine how an intelligent alien civilization might try to signal Earth.
十八年前，PhilipMorrison和GiuseppeCoccni，两位来自康奈尔大学的物理学家，致力于猜想智慧外星文明如何向地球发出信号。
Chinese civilization with it's thousands of years of history is just like an old man, remaining stubborn, tenacious, intelligent and industrious.
中国文明与它的几千年的历史，就像一个倔强，坚韧，智慧和勤劳的老人。
Chinese civilization with it's thousands of years of history is just like an old man, remaining stubborn, tenacious, intelligent and industrious.
中国文明与它的几千年的历史，就像一个倔强，坚韧，智慧和勤劳的老人。
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