drake equation meaning in Chinese

德雷克公式
德瑞克公式

The drake equation , written in 1961 , assures them that aliens do exist
1961年写成的德瑞克方程式使他们相信外星人的确存在。
Even if the drake equation is true , and there are millions of civilizations out there , finding them is like looking for a needle in a haystack
即使德瑞克方程式是真的，确实存在着数百万的文明，但要找到他们就像大海捞针。
Combining factors such as the number of planets in the universe , and the likelihood that water exists on some of them , the drake equation states that there are millions of civilizations in the universe
综合诸多因素如宇宙中行星的数目，以及水存在于一些行星上的可能性，德瑞克方程式估算出宇宙中有数百万的文明存在。