TRNGs are usually based on physical phenomena such as thermal noise, atmospheric noise, radioactive decay and even coin-tossing.

真随机数发生器的熵源通常来自于真实的物理世界，如热噪声，大气噪声，放射性衰减甚至掷硬币。

youdao

Let's say the outcome of an experiment, like tossing a coin.

比方说某一试验的结果，比如抛硬币。

youdao

I remember some students even decided who to vote for by tossing a coin.

我记得有同学甚至以抛硬币的方式决定选谁。

youdao

One solution is to modify the coin-tossing model--to add bells and whistles until the equations match the observations.

FORBES: Mandelbrot: A Math Maverick Takes Stock

Price drops or runups that the coin-tossing model sees as impossible--changes with a probability of a millionth of a millionth of a millionth of a millionth--occur frequently.

FORBES: Mandelbrot: A Math Maverick Takes Stock

Langen, and his 37-year-old brakeman Zimmerman, won the right to go last after tossing a coin.

BBC: Germany take two-man title