他发明的用来估计找到外星人机率的著名“德雷克方程”指出,在我们的银河系,可能存在一万个可探测的文明。
The famous "Drake Equation" which he invented to estimate the chances of finding et indicated there might be 10, 000 detectable civilisations in our galaxy, the Milky Way.
他发明的用来估计找到外星人机率的著名“德雷克方程”指出,在我们的银河系,可能存在一万个可探测的文明。
The famous "Drake Equation" which he invented to estimate the chances of finding et indicated there might be 10, 000 detectable civilisations in our galaxy, the Milky Way.
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