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。
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。
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。
During the formation of stalactite and stalagmite in karst caves carbonate minerals often trap gas and aqueous fluids, forming immiscible fluid inclusion population when they are crystallizing.
喀斯特溶洞中石钟乳和石笋在形成过程中,碳酸盐矿物结晶时,常常捕获周围水溶液和气体,形成不混溶流体包裹体组合。
Conclusion: the efficacy of catching flies by fly trap with canker fish as baits was better than with brown sugar-vinegar. We suggest that mixed bait be adopted in the surveillance of fly population.
结论:以腐鱼为诱饵的诱蝇笼诱蝇效果好于糖醋诱饵,建议在蝇密度监测时采用混合诱饵。
Methods Sequential investigation into the density and population of rodents in the Yichang section of the Three Gorges area had been implemented with the trap-night method since 1959.
方法自1959年以来连续在三峡库区宜昌段用夹夜法调查鼠类种群及密度。
Methods Sequential investigation into the density and population of rodents in the Yichang section of the Three Gorges area had been implemented with the trap-night method since 1959.
方法自1959年以来连续在三峡库区宜昌段用夹夜法调查鼠类种群及密度。
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