数学模型也揭示了食物网可能是不稳定的,顶级肉食性动物的微小改变会对整个生态系统产生巨大影响。
Mathematical models have also revealed that food webs may be unstable, where small changes of top predators can lead to big effects throughout entire ecosystems.
一次一对一网上数学辅导课的尝试,给汉森女士留下了深刻印象。
Ms Hanson was impressed by an experiment with online, one-on-one maths tutoring.
利用数学方法揭示了网壳结构失稳的本质。
The essential of the instability is showed by mathematics method.
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