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英语翻译The evolution usually starts from a population of random

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英语翻译
The evolution usually starts from a population of randomly generated individuals and happens in generations.In each generation,the fitness of every individual in the population is evaluated,multiple individuals are stochastically selected from the current population (based on their fitness),and modified (recombined and possibly randomly mutated) to form a new population.The new population is then used in the next iteration of the algorithm.Commonly,the algorithm terminates when either a maximum number of generations has been produced,or a satisfactory fitness level has been reached for the population.If the algorithm has terminated due to a maximum number of generations,a satisfactory solution may or may not have been reached.
一般而言,进化始于随机产生的一群人类并发生在每一代人中.从古至今,不同个体的适应性受到自然的严峻考验,经过自然的任意筛选,一些人类个体从现有的人类中分离出来,几经改变(基因重组和基因突变)形成一个新的人类部落.之后,这个新的部落又成为新一轮进化的起点.通常,进化终止有两中可能,要么是人类世代更替走到尽头,要么是人类已经形成了一套适应环境的完美基因.如果进化终止是由于人类世代更替走到尽头,那么那套完美的基因可能已经或尚未形成.
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