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英语翻译Proponents of theory A dispute the assumption that a sch

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英语翻译
Proponents of theory A dispute the assumption that a school of thousands of fish is highly visible.Experiments have shown that any fish can be seen,even in very clear water,only within a sphere of 200 meters in diameter.When fish are in a compact group,the sphere of visibility overlap.Thus,the chance of a predator finding the school is only slightly greater than the chance of the predator finding a single fish swimming alone.Schooling is advantageous to the individual fish because a predator's chance of finding any particular fish swimming in the school is much smaller than its chance of finding at least one of the same group of fish if the fish were dispersed throughout an area.
这一段很绕啊!求中文翻译~
英语翻译Proponents of theory A dispute the assumption that a sch
译文如下:
(school在这个语境下是“鱼群”的意思,schooling相应的可以译为“鱼的群体化”;另外sphere翻译成“范围”更准确.)
A理论的支持者对以下假设持怀疑态度:一个由上千条鱼组成的鱼群是高度可视的.
很多实验已经表明:哪怕是非常清澈的水,只有在一个直径是200米的范围内 每条鱼才清晰可见.当鱼群更紧凑时,可视范围重叠.因此,捕食者找到该鱼群的概率仅仅比找到单独一条鱼的概率要大一点点而已.
鱼的群体化对单个的鱼来说非常有利:因为比起在分散的区域中找到相同群体中的一条鱼,捕食者找到鱼群中任意一条鱼的概率要低得多.