Their research showed that when the number of trap cells exceeded a key threshold in the mixtures, the virus population could no longer sustain itself and declined toward extinction.

他们的研究显示：当诱骗细胞的数量在混合物超过一个关键阈值时，病毒群不能再自我维持并趋向灭绝。

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The means of dynamic genetic operators and population control were used to make the evolution escape from localization trap quickly.

采用动态遗传算子设计和群体规模控制方法，使进化更快速跳出局部最优。

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Lure effects of trap with creaked wheat depend on different population density.

碎麦诱捕器在不同虫口密度下诱捕效果明显不同。

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His wife, with his support, started The Long Island Spay and Neuter Fund which is a non profit that assists their community in the humane control of the stray and feral cat population using trap and release method after being spayed or neutered, whom currently houses and cares for over 20 cats while desperately trying to find permanent homes for them.

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America risks following Europe and Japan into the trap of a falling population combined with the spiraling entitlement costs of a graying society.

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It also faces a demographic trap, with low fertility and an increasingly dependent aging population.

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