他推测鱼群游动的方式有赖于鱼类个体倾向于截住对方,而又不真的靠近对方的竞争方式。
It turns out that by fiddling with these tendencies, avirtual shoal can be made to swirlspontaneously in a circle, just like somereal species do.
基于这些倾向就归纳出模型,这些模拟的鱼群可以自行转圈巡游,就像真的一样。
That is a start.
那只是一个开始。
But real shoals do not existto swim in circles.
不过真实的鱼群并不只是转圈游动。
Their purpose is to help their members eat and avoid beingeaten.
他们的目的是帮助成员觅食,同时防止被猎食。
At any one time, however, only some individuals know aboutand can thusreact tofood andthreats.
然而,无论什么时候,只有一些个体能对食物和威胁做出反应。
Dr Couzin therefore wanted to find out how suchtemporary leaders influence the behaviour ofthe rest.
因此,Couzin博士想找出这些临时领导如何影响其余个体行为。
He discovered that leadership is extremelyefficient.
Couzin博士发现这种领导方式及其有效。
The larger a shoal is, the smaller is the proportion of it thatneeds to know what is actuallygoing on for it to feed and avoid predationeffectively.
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