"You know the thickness, tolerances of wood has to be exactly right for the right tone, and volume of a soundboard has to be measured exactly, and that's done mostly by ear.

VOA: standard.2010.07.06

And this means that the yellow cells on the right side are mouse hair cells in a chicken inner ear.

也就是说，右边黄色部分,代表的是小鸡内耳中的老鼠细胞。

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