Bar-Joseph及其同事指出，果蝇是通过定时安排而不是对周边数目进行统计来决定哪个细胞发育成硬毛的。

The flies' trick lies in using timing instead of a neighborhood census to determine which cell becomes a bristle, Bar-Joseph and his colleagues report.

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在欧洲，人们发现野猪毛太硬，会使牙龈流血，所以就改用了更为柔软的马毛。

In Europe, it was found that wild boar hair was too stiff and made the gums bleed, so horsehair, which was softer, was used instead.

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与其他食蚁兽的硬毛不同，侏儒食蚁兽的金色毛发非常柔软柔顺。

Unlike the stiff fur of other anteaters, the dwarf anteater's golden hair is very soft and silky.

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