在每一代变异、交叉和竞争之后，又增加了与随机新种群的竞争操作，使算法易于跳出局部最优点，以提高全局搜索能力。

After every basic mutation, crossover and competition, a new competition with a random swarm is added so as to effectively jump out of the local optimum and enhance the ability of global search.

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即使新的种群属于不同物种，它也可以大致填补已灭绝种群空出的生态位，保持食物网的完整。

Even if the new population is of a different species, it can approximately fill the niche vacated by the extinct population and keep the food web intact.

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这微小的联系可能已经足够让别的种群的雄性收到群新旋律了。

This minimal contact could be enough for males from another group to the new melody.

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