24. 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.
即使德瑞克方程序是真的,确实存在着数百万的文明,但要找到他们就像大海捞针。
youdao
25. His quirky study USES a famous maths formula called the Drake Equation, which was first used to estimate the existence of extra-terrestrial life.
这一公式最初被用于估算外星生命存在的几率。
youdao
26. L the Drake Equation was proposed by astronomer Frank Drake to work out how mane civilizations there could be in our galaxy - and the figure is millions!
27. In 1961 Frank Drake proposed his famous equation for estimating the number of intelligent civilisations capable of communicating with us in our own galaxy.
1961年FrankDrake提出了其用于估计银河系中有能力与我们通信的智慧文明数目的著名方程序。
youdao
28. In 1961 Frank Drake proposed his famous equation for estimating the number of intelligent civilisations capable of communicating with us in our own galaxy.