词典释义：
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In addition, an improved real-coding copulation operator was also raised.
另外，给出了一个改进的实数编码的两点交叉算子。
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For a male that stands less than a 20 percent chance of fathering offspring in no more than eight weeks of life, becoming snack food is a small price to pay for a shot at copulation.
而对于雄性蜘蛛来说，在它不到8个星期的寿命里面，繁殖后代的机会只有20%，变成了别人的小吃和传宗接代相比就是小巫见大巫了。
词根 copulate
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copulate adj. 连接的；联合的；结合的 vi. 交配；交媾
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copulative adj. 交媾的；连结的 n. 连系词
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copulatory adj. 交配的